Add github workflow

.github/workflows/build.yml

@@ -0,0 +1,32 @@
+name: Patch and Build
+on: [ push, pull_request ]
+jobs:
+  build:
+    # Only run on PRs if the source branch is on someone else's repo
+    if: ${{ github.event_name != 'pull_request' || github.repository != github.event.pull_request.head.repo.full_name }}
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout Git Repository
+        uses: actions/checkout@v2
+      - name: Validate Gradle wrapper
+        uses: gradle/wrapper-validation-action@v1
+      - name: Cache Gradle
+        uses: actions/cache@v2
+        with:
+          path: |
+            ~/.gradle/caches
+            ~/.gradle/wrapper
+          key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle*', '**/gradle-wrapper.properties', '**/gradle.properties') }}
+          restore-keys: |
+            ${{ runner.os }}-gradle-
+      - name: Set up JDK
+        uses: actions/[email protected]
+        with:
+          distribution: 'temurin'
+          java-version: '17'
+      - name: Configure Git User Details
+        run: git config --global user.email "[email protected]" && git config --global user.name "Github Actions"
+      - name: Apply Patches
+        run: ./gradlew applyPatches --stacktrace
+      - name: Build
+        run: ./gradlew build --stacktrace