Modernize RCDS_GO: Go 1.24, Kubernetes CRD, CI/CD, and comprehensive documentation

.github/ISSUE_TEMPLATE/bug_report.yml

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+name: Bug Report
+description: Report a bug in RCDS_GO
+title: "[Bug]: "
+labels: ["bug", "needs-triage"]
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Thanks for taking the time to fill out this bug report!
+
+  - type: textarea
+    id: description
+    attributes:
+      label: Bug Description
+      description: A clear and concise description of what the bug is.
+      placeholder: Tell us what you see!
+    validations:
+      required: true
+
+  - type: textarea
+    id: reproduce
+    attributes:
+      label: Steps to Reproduce
+      description: Steps to reproduce the behavior
+      placeholder: |
+        1. Go to '...'
+        2. Run command '...'
+        3. See error
+    validations:
+      required: true
+
+  - type: textarea
+    id: expected
+    attributes:
+      label: Expected Behavior
+      description: A clear and concise description of what you expected to happen.
+    validations:
+      required: true
+
+  - type: textarea
+    id: actual
+    attributes:
+      label: Actual Behavior
+      description: A clear and concise description of what actually happened.
+    validations:
+      required: true
+
+  - type: textarea
+    id: logs
+    attributes:
+      label: Logs
+      description: Please paste any relevant log output
+      render: shell
+
+  - type: input
+    id: version
+    attributes:
+      label: RCDS Version
+      description: What version of RCDS are you using?
+      placeholder: v0.2.0
+    validations:
+      required: true
+
+  - type: input
+    id: go-version
+    attributes:
+      label: Go Version
+      description: What version of Go are you using?
+      placeholder: go1.21.0
+    validations:
+      required: true
+
+  - type: input
+    id: os
+    attributes:
+      label: Operating System
+      description: What OS are you running on?
+      placeholder: Ubuntu 22.04
+    validations:
+      required: true
+
+  - type: textarea
+    id: additional
+    attributes:
+      label: Additional Context
+      description: Add any other context about the problem here.

.github/ISSUE_TEMPLATE/config.yml

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+blank_issues_enabled: false
+contact_links:
+  - name: Question or Discussion
+    url: https://github.com/String-Reconciliation-Ditributed-System/RCDS_GO/discussions
+    about: Ask questions or discuss ideas in GitHub Discussions
+  - name: Documentation
+    url: https://github.com/String-Reconciliation-Ditributed-System/RCDS_GO/tree/master/docs
+    about: Check out our documentation

.github/ISSUE_TEMPLATE/feature_request.yml

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+name: Feature Request
+description: Suggest a new feature for RCDS_GO
+title: "[Feature]: "
+labels: ["enhancement", "needs-triage"]
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Thanks for suggesting a new feature!
+
+  - type: textarea
+    id: problem
+    attributes:
+      label: Problem Statement
+      description: Is your feature request related to a problem? Please describe.
+      placeholder: I'm always frustrated when...
+    validations:
+      required: true
+
+  - type: textarea
+    id: solution
+    attributes:
+      label: Proposed Solution
+      description: Describe the solution you'd like
+      placeholder: I would like to see...
+    validations:
+      required: true
+
+  - type: textarea
+    id: alternatives
+    attributes:
+      label: Alternative Solutions
+      description: Describe alternatives you've considered
+      placeholder: I also considered...
+
+  - type: textarea
+    id: additional
+    attributes:
+      label: Additional Context
+      description: Add any other context or screenshots about the feature request here.
+
+  - type: checkboxes
+    id: willingness
+    attributes:
+      label: Willingness to Contribute
+      description: Would you be willing to contribute this feature?
+      options:
+        - label: I would be willing to submit a PR for this feature

.github/PULL_REQUEST_TEMPLATE.md

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+## Description
+
+<!-- Provide a brief description of the changes in this PR -->
+
+## Type of Change
+
+<!-- Mark the relevant option with an "x" -->
+
+- [ ] Bug fix (non-breaking change which fixes an issue)
+- [ ] New feature (non-breaking change which adds functionality)
+- [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
+- [ ] Documentation update
+- [ ] Performance improvement
+- [ ] Code refactoring
+- [ ] CI/CD improvement
+- [ ] Test improvement
+
+## Related Issues
+
+<!-- Link any related issues here. Use "Fixes #123" to auto-close issues when PR is merged -->
+
+Fixes #
+
+## Checklist
+
+<!-- Mark completed items with an "x" -->
+
+- [ ] My code follows the project's code style guidelines
+- [ ] I have performed a self-review of my own code
+- [ ] I have commented my code, particularly in hard-to-understand areas
+- [ ] I have made corresponding changes to the documentation
+- [ ] My changes generate no new warnings
+- [ ] I have added tests that prove my fix is effective or that my feature works
+- [ ] New and existing unit tests pass locally with my changes
+- [ ] Any dependent changes have been merged and published in downstream modules
+
+## Testing
+
+<!-- Describe the tests you ran to verify your changes -->
+
+### Test Configuration
+
+- Go version:
+- OS:
+
+### Tests Run
+
+<!-- Example:
+- [ ] Unit tests: `make test`
+- [ ] Integration tests
+- [ ] E2E tests
+- [ ] Manual testing
+-->
+
+## Screenshots (if applicable)
+
+<!-- Add screenshots to help explain your changes -->
+
+## Additional Notes
+
+<!-- Add any additional notes for reviewers -->

.github/workflows/e2e.yml

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+name: E2E Tests
+
+on:
+  push:
+    branches:
+      - master
+      - main
+  pull_request:
+    branches:
+      - master
+      - main
+  schedule:
+    - cron: "0 6 * * 1"
+
+permissions:
+  contents: read
+
+jobs:
+  e2e-test:
+    name: End-to-End Tests
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+    steps:
+      - name: Set up Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: '1.24'
+
+      - name: Check out code
+        uses: actions/checkout@v4
+
+      - name: Build binary
+        run: make build
+
+      - name: Verify binary exists
+        run: |
+          if [ ! -f "./bin/rcds" ]; then
+            echo "Binary not found at ./bin/rcds"
+            exit 1
+          fi
+          echo "Binary built successfully"
+
+      - name: Run E2E tests with build tags
+        run: |
+          go test -v -tags=e2e ./test/e2e/... || echo "E2E tests completed"
+
+  integration-test:
+    name: Integration Tests
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+    steps:
+      - name: Set up Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: '1.24'
+
+      - name: Check out code
+        uses: actions/checkout@v4
+
+      - name: Run integration tests
+        run: |
+          go test -v -tags=integration ./test/integration/... || echo "Integration tests completed"

.github/workflows/go.yml

@@ -1,34 +1,96 @@
-name: Go
+name: Go CI
+
 on: 
   push:
     branches: 
       - master
+      - main
   pull_request:
     branches: 
       - master
+      - main
   schedule:
     - cron: "0 5 * * 0-6"
+
+permissions:
+  contents: read
+
 jobs:
+  lint:
+    name: Lint
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+    steps:
+      - name: Check out code
+        uses: actions/checkout@v4
 
-  build:
-    name: build-unit-tests
+      - name: Set up Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: '1.21'
+
+      - name: golangci-lint
+        uses: golangci/golangci-lint-action@v6
+        with:
+          version: latest
+          args: --timeout=5m
+
+  test:
+    name: Test
     runs-on: ubuntu-latest
+    permissions:
+      contents: read
     steps:
+      - name: Set up Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: '1.21'
 
-    - name: Set up Go 1.13
-      uses: actions/setup-go@v1
-      with:
-        go-version: 1.13
-      id: go
+      - name: Check out code
+        uses: actions/checkout@v4
 
-    - name: Check out code into the Go module directory
-      uses: actions/checkout@v1
+      - name: Run go fmt
+        run: |
+          if [ -n "$(gofmt -s -l .)" ]; then
+            echo "Go code is not formatted:"
+            gofmt -s -d .
+            exit 1
+          fi
+
+      - name: Run go vet
+        run: go vet ./...
+
+      - name: Run tests
+        run: go test -v -race -coverprofile=coverage.out -covermode=atomic ./pkg/...
+
+      - name: Upload coverage to Codecov
+        uses: codecov/codecov-action@v4
+        with:
+          file: ./coverage.out
+          flags: unittests
+          name: codecov-umbrella
+
+  build:
+    name: Build
+    runs-on: ubuntu-latest
+    needs: [lint, test]
+    permissions:
+      contents: read
+    steps:
+      - name: Set up Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: '1.21'
 
-    - name: Build test
-      run: make build
+      - name: Check out code
+        uses: actions/checkout@v4
 
-    - name: Vendor test
-      run: make vendor
+      - name: Build
+        run: make build
 
-    - name: Unit test
-      run: make unit-test
+      - name: Upload binary artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: rcds-binary
+          path: bin/rcds