Add GitHub Action that compiles project

.github/workflows/gradle.yml

@@ -0,0 +1,26 @@
+name: Java CI with Gradle
+
+on: # What the possible triggers for this action are
+  push: # On a commit to a branch
+    branches: [ "main" ] # Only on the main branch
+  pull_request: # On a pull request
+  workflow_dispatch: # On manual trigger
+
+permissions:
+  contents: read # Requires read access to the repository contents
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v3 # Check out the repository code
+    - name: Set up JDK 17 # Download and set up JDK 17
+      uses: actions/setup-java@v3
+      with:
+        java-version: '17'
+        distribution: 'temurin'
+    - name: Build with Gradle # Build the project using Gradle
+      uses: gradle/gradle-build-action@v2.4.2
+      with:
+        arguments: build