docs: 7 CI

Author: fugerit79

.github/workflows/ci.yml

@@ -0,0 +1,34 @@
+name: CI workflow
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    types: [opened, synchronize, reopened]
+jobs:
+  build:
+    name: Build
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - name: Set up JDK 21
+        uses: actions/setup-java@v4
+        with:
+          java-version: 21
+          distribution: 'graalvm'
+      - name: Cache SonarQube packages
+        uses: actions/cache@v4
+        with:
+          path: ~/.sonar/cache
+          key: ${{ runner.os }}-sonar
+          restore-keys: ${{ runner.os }}-sonar
+      - name: Cache Maven packages
+        uses: actions/cache@v4
+        with:
+          path: ~/.m2
+          key: ${{ runner.os }}-m2-${{ hashFiles('**/pom.xml') }}
+          restore-keys: ${{ runner.os }}-m2
+      - name: Build
+        run: mvn clean install

README.md

@@ -8,6 +8,7 @@ Full guidelines can be found [bare-minimum-github-repo](https://github.com/fuger
 [![GitHub pages](https://img.shields.io/badge/GitHub-PAGES-%233557E0)](https://bareminimumjavamaven.fugerit.org/)
 [![License: MIT](https://img.shields.io/badge/License-MIT-teal.svg)](https://opensource.org/licenses/MIT)
 [![code of conduct](https://img.shields.io/badge/conduct-Contributor%20Covenant-purple.svg)](https://github.com/fugerit-org/fj-universe/blob/main/CODE_OF_CONDUCT.md)
+[![CI workflow](https://github.com/fugerit79/bare-minimum-github-repo-java-maven/actions/workflows/ci.yml/badge.svg)](https://github.com/fugerit79/bare-minimum-github-repo-java-maven/actions/workflows/ci.yml)
 
 ## Requirements