Add build GH pipeline

.github/workflows/build.yml

@@ -0,0 +1,44 @@
+name: Build
+on:
+    push:
+    pull_request:
+        types: [ opened, synchronize, reopened ]
+jobs:
+    build:
+        strategy:
+            matrix:
+                java: [
+                        17
+                ]
+                os: [ ubuntu-latest ]
+        runs-on: ${{ matrix.os }}
+        steps:
+            - name: Checkout repository
+              uses: actions/checkout@v2
+              with:
+                  fetch-depth: 0  # Shallow clones should be disabled for a better relevancy of analysis
+            - name: Validate Gradle wrapper
+              uses: gradle/wrapper-validation-action@v1
+            - name: Setup JDK ${{ matrix.java }}
+              uses: actions/setup-java@v1
+              with:
+                  java-version: ${{ matrix.java }}
+            - name: Cache Gradle packages
+              uses: actions/cache@v1
+              with:
+                  path: ~/.gradle/caches
+                  key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle') }}
+                  restore-keys: ${{ runner.os }}-gradle
+            - name: Make Gradle wrapper executable
+              if: ${{ runner.os != 'Windows' }}
+              run: chmod +x ./gradlew
+            - name: Build
+              run: ./gradlew build
+              env:
+                  GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+            - name: Upload build artifacts
+              if: ${{ runner.os == 'Linux' && matrix.java == '17' }}
+              uses: actions/upload-artifact@v2
+              with:
+                  name: Artifacts
+                  path: build/libs/