Add GitHub Actions workflow to build Android APK

.github/workflows/build.yml

@@ -0,0 +1,47 @@
+name: Build Android APK
+on:
+  schedule:
+    - cron: '0 0 * * *' # Runs every day at 00:00 UTC
+  workflow_dispatch: # Allows you to run this manually from the "Actions" tab
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout Repository
+        uses: actions/checkout@v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '20'
+          cache: 'npm'
+
+      - name: Setup Java
+        uses: actions/setup-java@v4
+        with:
+          distribution: 'zulu'
+          java-version: '17'
+
+      - name: Install Dependencies
+        run: npm install --legacy-peer-deps
+
+      - name: Setup Expo
+        uses: expo/expo-github-action@v8
+        with:
+          expo-version: latest
+
+      - name: Prebuild Android
+        run: npx expo prebuild --platform android
+
+      - name: Build APK (Release)
+        run: |
+          cd android
+          chmod +x gradlew
+          ./gradlew assembleRelease
+
+      - name: Upload APK
+        uses: actions/upload-artifact@v4
+        with:
+          name: nuvio-app-release
+          path: android/app/build/outputs/apk/release/app-release.apk