Add GitHub Actions workflow to zip plugin on release

Author: bitcryptic-gw

.github/workflows/package.yml

@@ -0,0 +1,22 @@
+name: Package Plugin
+
+on:
+  release:
+    types: [published]
+
+jobs:
+  zip-plugin:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Zip plugin
+        run: zip -r proxy-aware-https-fix.zip proxy-aware-https-fix.php README.md LICENSE CHANGELOG.md
+
+      - name: Upload artifact
+        uses: actions/upload-artifact@v3
+        with:
+          name: proxy-aware-https-fix
+          path: proxy-aware-https-fix.zip
+