Introduce basic CI workflow

.github/workflows/build-addon.yml

@@ -0,0 +1,30 @@
+name: Build Addon
+
+on:
+  push:
+    branches:
+      - '**'
+
+jobs:
+  build-addon:
+    name: Build Addon
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout Code
+        uses: actions/checkout@v3
+
+      - name: Set Up JDK 17
+        uses: actions/setup-java@v3
+        with:
+          java-version: 17
+          distribution: adopt
+
+      - name: Setup Gradle
+        uses: gradle/gradle-build-action@v2
+        with:
+          cache-disabled: true
+
+      - name: Build with Gradle
+        uses: gradle/gradle-build-action@v2
+        with:
+          arguments: build