CI: create Github release for new tags

.github/ISSUE_TEMPLATE/config.yml

@@ -1,6 +0,0 @@
-blank_issues_enabled: false
-contact_links:
-  - name: DAVx⁵ Community Forum
-    url: https://www.davx5.com/forums
-    about: Please use our forum for questions, support, suggestions etc.
-

.github/workflows/release.yml

@@ -0,0 +1,39 @@
+name: Create release
+on:
+  push:
+    tags:
+      - v*
+jobs:
+  build:
+    name: Create release
+    permissions:
+      contents: write
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          submodules: true
+      - uses: actions/setup-java@v2
+        with:
+          distribution: 'temurin'
+          java-version: 11
+          cache: 'gradle'
+      - uses: gradle/wrapper-validation-action@v1
+
+      - name: Prepare keystore
+        run: echo ${{ secrets.android_keystore_base64 }} | base64 -d >$GITHUB_WORKSPACE/keystore.jks
+
+      - name: Build signed package
+        run: ./gradlew app:assembleRelease
+        env:
+          ANDROID_KEYSTORE: ${{ github.workspace }}/keystore.jks
+          ANDROID_KEYSTORE_PASSWORD: ${{ secrets.android_keystore_password }}
+          ANDROID_KEY_ALIAS: ${{ secrets.android_key_alias }}
+          ANDROID_KEY_PASSWORD: ${{ secrets.android_key_password }}
+
+      - name: Create Github release
+        uses: softprops/action-gh-release@v0.1.14
+        with:
+          prerelease: ${{ contains(github.ref_name, '-alpha') || contains(github.ref_name, '-beta') || contains(github.ref_name, '-rc') }}
+          files: app/build/outputs/apk/standard/release/*.apk
+          fail_on_unmatched_files: true

app/build.gradle

@@ -18,6 +18,8 @@ android {
         versionName '4.2.1'
         buildConfigField "long", "buildTime", System.currentTimeMillis() + "L"
 
+        setProperty "archivesBaseName", "davx5-ose-" + getVersionName()
+
         minSdkVersion 21        // Android 5
         targetSdkVersion 32     // Android 12
 
@@ -60,6 +62,15 @@ android {
         androidTest.assets.srcDirs += files("$projectDir/schemas".toString())
     }
 
+    signingConfigs {
+        bitfire {
+            storeFile file(System.getenv("ANDROID_KEYSTORE") ?: "/dev/null")
+            storePassword System.getenv("ANDROID_KEYSTORE_PASSWORD")
+            keyAlias System.getenv("ANDROID_KEY_ALIAS")
+            keyPassword System.getenv("ANDROID_KEY_PASSWORD")
+        }
+    }
+
     buildTypes {
         debug {
         }
@@ -68,6 +79,8 @@ android {
             proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules-release.pro'
 
             shrinkResources true
+
+            signingConfig signingConfigs.bitfire
         }
     }