build: update build script to output plugin ZIP

README.md

@@ -67,12 +67,13 @@ For automation or if you prefer API keys:
 
 ```bash
 # Install frontend dependencies
-pnpm install
+npm install
 
-# Build frontend
-pnpm run build
+# Build frontend and create plugin ZIP
+npm run build
 
 # The plugin ZIP will be in the out/ directory
+# Install via Decky: Settings > Developer > Install Plugin from ZIP File
 ```
 
 ## Keyboard Shortcuts

package.json

@@ -4,7 +4,7 @@
   "description": "Bitwarden/Vaultwarden password manager plugin for Decky Loader",
   "type": "module",
   "scripts": {
-    "build": "rollup -c",
+    "build": "rollup -c && mkdir -p out && zip -r out/decky-vaultwarden.zip dist/ main.py plugin.json defaults/ requirements.txt",
     "watch": "rollup -c -w",
     "typecheck": "tsc --noEmit"
   },