refactor: move Python backend modules to project root

package.json

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