Add a release builder action

.github/workflows/TachiyomiSY-Release-Builder.yml

@@ -0,0 +1,68 @@
+name: Remote Dispatch Action Initiator
+ 
+on:
+  push:
+   branches: 
+    - 'release'
+  repository_dispatch:
+ 
+jobs:
+  apk:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v1
+      - name: Set up JDK 1.8
+        uses: actions/setup-java@v1
+        with:
+          java-version: 1.8
+      - name: Get NDK 
+        run: sudo ${ANDROID_HOME}/tools/bin/sdkmanager --install "ndk;21.0.6113669"
+      - name: Cache Gradle packages
+        uses: actions/cache@v2
+        with:
+          path: ~/.gradle/caches
+          key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle') }}
+          restore-keys: ${{ runner.os }}-gradle
+      - name: Write google-services.json
+        uses: DamianReeves/write-file-action@v1.0
+        with:
+          # The path to the file to write
+          path: app/google-services.json
+          # The contents of the file
+          contents: ${{ secrets.GOOGLE_SERVICES_TEXT }}
+          # The mode of writing to use: `overwrite`, `append`, or `preserve`.
+          write-mode: overwrite # optional, default is preserve
+      - name: Build Release APK
+        run: bash ./gradlew assembleRelease --stacktrace
+      - name: Sign Android Release
+        uses: r0adkll/sign-android-release@v1
+        with:
+          # The directory to find your release to sign
+          releaseDirectory: app/build/outputs/apk/standard/release
+          # The key used to sign your release in base64 encoded format
+          signingKeyBase64: ${{ secrets.SIGNING_KEY }}
+          # The key alias
+          alias: ${{ secrets.ALIAS }}
+          # The password to the keystore
+          keyStorePassword: ${{ secrets.KEY_STORE_PASSWORD }}
+          # The password for the key
+          keyPassword: ${{ secrets.KEY_PASSWORD }}
+      - name: Create Release
+        id: create_release
+        uses: actions/create-release@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          tag_name: ${{ github.run_number }}
+          release_name: TachiyomiSY
+          draft: true
+          prerelease: false
+      - name: Upload Release APK
+        uses: actions/upload-release-asset@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          upload_url: ${{ steps.create_release.outputs.upload_url }}
+          asset_path: ${{ env.SIGNED_RELEASE_FILE }}
+          asset_name: TachiyomiSY.apk
+          asset_content_type: application/vnd.android.package-archive