Add CI/CD

.gitea/workflows/build.yml

@@ -10,11 +10,12 @@ jobs:
     steps:
       - uses: actions/checkout@v5
 
-      - name: Set up JDK 21.0.5
+      - name: Set up JDK 17
         uses: actions/setup-java@v5
         with:
-          distribution: 'zulu'
+          distribution: 'temurin'
-          java-version: '21.0.5'
+          java-version: 17
+          cache: 'gradle'
 
       - name: Setup Android SDK
         uses: amyu/setup-android@v5