docs: update README with current feature set and prerequisites

README.md

@@ -7,10 +7,11 @@ A Decky Loader plugin for accessing Bitwarden and Vaultwarden passwords directly
 - **Login with Email + Password** or **API Key** (supports self-hosted Vaultwarden)
 - **Browse vault** organized by folders with search
 - **Copy passwords, usernames, and TOTP codes** to clipboard (auto-clears after 60 seconds)
+- **Supports multiple item types** - Logins, Secure Notes, Credit Cards, and Identities
+- **View custom fields and notes** for each vault item
 - **PIN unlock** - set up a PIN to avoid entering your master password every time
 - **2FA support** - handles two-factor authentication during login
-- **Offline capable** - once synced, vault data is cached locally
-- **Auto-lock** - vault locks when Steam Deck goes to sleep
+- **Auto-lock** - vault locks when Steam Deck goes to sleep (configurable)
 
 ## Installation
 
@@ -59,9 +60,8 @@ For automation or if you prefer API keys:
 
 ### Prerequisites
 
-- Node.js v16.14+ and pnpm v9
+- Node.js v16.14+ and npm
 - Python 3.10+ with pip
-- Docker (for backend builds)
 
 ### Build