add gui web interface

START_APP.bat

@@ -0,0 +1,40 @@
+@echo off
+setlocal
+TITLE Antigravity Skills App
+
+echo ===================================================
+echo      Antigravity Awesome Skills - Web App
+echo ===================================================
+
+:: Check for Node.js
+WHERE node >nul 2>nul
+IF %ERRORLEVEL% NEQ 0 (
+    echo [ERROR] Node.js is not installed. Please install it from https://nodejs.org/
+    pause
+    exit /b 1
+)
+
+:: Check/Install dependencies
+if not exist "web-app\node_modules" (
+    echo [INFO] First time run detected. Installing dependencies...
+    cd web-app
+    call npm install
+    if %ERRORLEVEL% NEQ 0 (
+        echo [ERROR] Failed to install dependencies.
+        pause
+        exit /b 1
+    )
+    cd ..
+)
+
+:: Run setup script
+echo [INFO] Updating skills data...
+call npm run app:setup
+
+:: Start App
+echo [INFO] Starting Web App...
+echo [INFO] Opening default browser...
+cd web-app
+call npx vite --open
+
+endlocal