feat: added the auto assign workflow yaml file

feat: added the auto assign workflow yaml file

.github/workflows/auto-assign.yaml

@@ -0,0 +1,34 @@
+name: Auto-assign issue on /attempt comment
+
+on:
+  issue_comment:
+    types: [created]
+
+jobs:
+  auto-assign:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/github-script@v7
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          script: |
+            const comment = context.payload.comment;
+            const issue = context.issue;
+
+            if (comment.body.startsWith('/attempt')) {
+              if (!issue.assignee) {
+                github.issues.assignees.add({
+                  issue_number: issue.number,
+                  assignees: [comment.user.login]
+                });
+                await github.issues.createComment({
+                  issue_number: issue.number,
+                  body: 'Assigned the issue to you!'
+                });
+              } else {
+                await github.issues.createComment({
+                  issue_number: issue.number,
+                  body: 'This issue is already assigned. Tag a maintainer if you need to take over.'
+                });
+              }
+            }

CONTRIBUTIONS.md

@@ -12,6 +12,15 @@ Before reporting a bug, please check our list of [open issues](https://github.co
 
 If you have ideas for improvements or new features we would love to hear them. Please provide as much detail as possible so we can fully understand your ideas. You can [create a new issue](https://github.com/keyshade-xyz/keyshade/issues/new/choose) to share your suggestions.
 
+## Self Assigning Issues
+
+1. To express interest in working on an issue, simply type `/attempt` at the beginning of a comment.
+2. If the issue is unassigned, it will be automatically assigned to you. ✨
+3. If the issue is already assigned, you'll receive a message indicating the need to contact a maintainer to discuss reassignment.
+
+**Example:**
+`/attempt` I'd like to work on this issue.
+
 ## Code Contribution
 
 Please ensure your pull request adheres to the following guidelines: