ci: add release action

.github/workflows/build-release.yml

@@ -0,0 +1,54 @@
+name: Build and release app
+
+on:
+  workflow_dispatch:
+  push:
+    tags:
+      - 'v*.*'
+
+jobs:
+  build:
+    name: Build, sign and release app
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up JDK
+        uses: actions/setup-java@v4
+        with:
+          distribution: "zulu"
+          java-version: "17"
+          cache: "gradle"
+
+      - name: Build APK
+        run: ./gradlew assembleRelease --no-daemon
+
+      - name: Sign APK
+        uses: ilharp/sign-android-release@v1
+        id: sign
+        with:
+          signingKey: ${{ secrets.KEYSTORE }}
+          keyAlias: ${{ secrets.SIGNING_KEY_ALIAS }}
+          keyStorePassword: ${{ secrets.SIGNING_STORE_PASSWORD }}
+          keyPassword: ${{ secrets.SIGNING_KEY_PASSWORD }}
+
+      - name: Rename signed APK
+        run: |
+          mv "${{ steps.sign.outputs.signedFile }}" "app-release.apk"
+
+      - name: Create changelog
+        id: changelog
+        uses: requarks/changelog-action@v1
+        with:
+          token: ${{ github.token }}
+          tag: ${{ github.ref_name }}
+
+      - name: Create release
+        uses: softprops/action-gh-release@v2
+        with:
+          body: ${{ steps.changelog.outputs.changes }}
+          files: "app-release.apk"
+          fail_on_unmatched_files: true
+          make_latest: true