feat: update GitHub Actions workflow for continuous integration

Author: Datenflieger

.github/workflows/build.yml

@@ -1,49 +1,42 @@
-name: Build and Attach Plugin to Release
+name: Build
 
 on:
-  release:
-    types: [published]
+  push:
+    branches:
+      - '**'
+  pull_request:
 
 jobs:
-  build-and-upload:
+  build:
     runs-on: ubuntu-latest
-    
-    permissions:
-      contents: write
-    
+
     steps:
-      - name: Checkout code
+      - name: Checkout
         uses: actions/checkout@v4
-      
-      - name: Set up JDK 21
+
+      - name: Validate Gradle Wrapper
+        uses: gradle/wrapper-validation-action@v2
+
+      - name: Set up Java 21
         uses: actions/setup-java@v4
         with:
-          distribution: 'corretto'
+          distribution: temurin
           java-version: '21'
-      
-      - name: Grant execute permission for gradlew
-        run: chmod +x gradlew
-      
-      - name: Build with Gradle
-        run: ./gradlew clean build --full-stacktrace
-      
-      - name: Rename JAR to release
-        run: |
-          cd build/libs
-          # Finde die Haupt-JAR (nicht -sources oder -javadoc)
-          ORIGINAL_JAR=$(ls *.jar | grep -v sources | grep -v javadoc | head -n 1)
-          if [ -z "$ORIGINAL_JAR" ]; then
-            echo "Error: No JAR file found!"
-            exit 1
-          fi
-          # Erstelle release.jar
-          cp "$ORIGINAL_JAR" DevSystem-release.jar
-          echo "Created DevSystem-release.jar from $ORIGINAL_JAR"
-          ls -lah
-      
-      - name: Upload release asset
-        uses: softprops/action-gh-release@v1
+
+      - name: Setup Gradle
+        uses: gradle/actions/setup-gradle@v4
+
+      - name: Make Gradle Wrapper Executable
+        run: chmod +x ./gradlew
+
+      - name: Build
+        run: ./gradlew build --no-daemon
+
+      - name: Upload build artifacts (JARs)
+        if: success()
+        uses: actions/upload-artifact@v4
         with:
-          files: build/libs/DevSystem-release.jar
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          name: DevSystem-build
+          path: |
+            build/libs/*.jar
+          if-no-files-found: warn