feat(ci): Build APK for push and release

.github/workflows/build.yml

@@ -0,0 +1,24 @@
+name: Build APK
+
+on:
+  push
+
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Set up JDK
+        uses: actions/setup-java@v2
+        with:
+          distribution: 'zulu'
+          java-version: 11
+      - name: Build the app
+        run: ./gradlew assembleDebug assemble
+      - name: Upload apk as asset
+        uses: actions/upload-artifact@v2
+        with:
+          name: APKs
+          path: ./app/build/outputs/apk/**/*.apk

.github/workflows/release.yml

@@ -0,0 +1,27 @@
+name: Release
+
+on:
+  push:
+    tags:
+      - "v*"
+
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Set up JDK
+        uses: actions/setup-java@v2
+        with:
+          distribution: 'zulu'
+          java-version: 11
+      - name: Build the app
+        run: ./gradlew assemble
+      - name: Upload APK to release
+        uses: "marvinpinto/action-automatic-releases@latest"
+        with:
+          repo_token: "${{ secrets.GITHUB_TOKEN }}"
+          files: |
+            app/build/outputs/apk/release/*.apk