Add release script

.github/workflows/release.yml

@@ -0,0 +1,43 @@
+on:
+  push:
+    tags:
+      - 'v*'
+
+name: Publish release
+
+jobs:
+  publish:
+    name: Publish release
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: '7.2'
+          tools: composer
+      - name: Install Composer dependencies
+        run: composer install --no-progress --no-suggest
+      - name: Build project
+        run: ./vendor/bin/box compile
+      - name: Create release
+        id: create_release
+        uses: actions/create-release@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          tag_name: ${{ github.ref }}
+          release_name: ${{ github.ref }}
+          draft: true
+          prerelease: false
+      - name: Upload Release Asset
+        id: upload-release-asset
+        uses: actions/upload-release-asset@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          upload_url: ${{ steps.create_release.outputs.upload_url }}
+          asset_path: ./october.phar
+          asset_name: october.phar
+          asset_content_type: application/phar