Add release workflow

.github/workflows/release.yml

@@ -0,0 +1,50 @@
+name: Release
+on:
+  push:
+    tags:
+      - v*
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    
+    steps:
+      - name: Checkout builds
+        uses: actions/checkout@main
+
+      - name: Setup JDK 11
+        uses: actions/setup-java@main
+        with:
+          java-version: 11
+
+      - name: Setup Android SDK
+        uses: android-actions/setup-android@7c5672355aaa8fde5f97a91aa9a99616d1ace6bc # v2.0.10
+      
+      - name: Setup credentials
+        run: |
+          base64 -d <<< "$KEYSTORE_BASE64" > $HOME/keystore.jks
+          
+          mkdir -p ~/.gradle
+          cat > ~/.gradle/gradle.properties << EOF
+          KEYSTORE_FILE=$HOME/keystore.jks
+          KEYSTORE_ALIAS=$KEYSTORE_ALIAS
+          KEYSTORE_PASSWORD=$KEYSTORE_PASSWORD
+          EOF
+        env:
+          KEYSTORE_BASE64: ${{ secrets.KEYSTORE_BASE64 }}
+          KEYSTORE_ALIAS: ${{ secrets.KEYSTORE_ALIAS }}
+          KEYSTORE_PASSWORD: ${{ secrets.KEYSTORE_PASSWORD }}
+      
+      - name: Get some values needed for the release
+        id: release_values
+        run: |
+          echo "release_tag=${GITHUB_REF#refs/tags/}" >> $GITHUB_ENV
+          
+      - name: Build
+        run: |
+          chmod +x ./gradlew
+          ./gradlew app:assembleRelease
+          mv app/build/outputs/apk/release/app-release.apk Vencord-$TAG.apk
+          gh release create $TAG --generate-notes --title "Vencord $TAG" Vencord-$TAG.apk
+        env:
+          TAG: ${{ env.release_tag }}