chore: add Github workflow CI

.github/workflows/android.yml

@@ -0,0 +1,26 @@
+name: Android CI
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v4
+    - name: set up JDK 21
+      uses: actions/setup-java@v4
+      with:
+        distribution: 'temurin'
+        java-version: '21'
+    - name: Setup Gradle
+      uses: gradle/actions/setup-gradle@v3
+      with:
+        validate-wrappers: true
+    - name: Build with Gradle
+      run: ./gradlew clean assembleRelease