Add frontend React app and server components

- Add React frontend with Excalidraw integration (App.jsx, main.jsx)
- Add Express server with MCP protocol support (server.js)
- Update CLI with new functionality (cli.js)
- Add Vite configuration for frontend build
- Update package.json with new dependencies
- Add public assets and build files
- Update .gitignore to exclude build artifacts

package.json

@@ -10,25 +10,39 @@
   "scripts": {
     "start": "node src/index.js",
     "dev": "nodemon src/index.js",
+    "server": "node src/server.js",
+    "server:dev": "nodemon src/server.js",
+    "frontend:dev": "vite",
+    "frontend:build": "vite build",
+    "frontend:preview": "vite preview",
+    "build": "npm run frontend:build",
+    "poc": "concurrently \"npm run server\" \"npm run frontend:dev\"",
     "test": "jest",
     "lint": "eslint src/**/*.js",
-    "build": "tsc",
     "docker:build": "docker build -t mcp/excalidraw .",
     "docker:run": "docker run -p 3000:3000 mcp/excalidraw",
     "prepare": "node -e \"try { require('fs').chmodSync('./src/cli.js', '755') } catch(e) { console.log(e) }\""
   },
   "dependencies": {
+    "@excalidraw/excalidraw": "^0.18.0",
     "@modelcontextprotocol/sdk": "latest",
     "cors": "^2.8.5",
     "dotenv": "^16.3.1",
+    "express": "^4.18.2",
+    "react": "^18.3.1",
+    "react-dom": "^18.3.1",
     "winston": "^3.11.0",
+    "ws": "^8.14.2",
     "zod": "^3.22.4",
     "zod-to-json-schema": "^3.22.3"
   },
   "devDependencies": {
-    "nodemon": "^3.0.2",
+    "@vitejs/plugin-react": "^4.6.0",
+    "concurrently": "^9.2.0",
+    "eslint": "^8.56.0",
     "jest": "^29.7.0",
-    "eslint": "^8.56.0"
+    "nodemon": "^3.0.2",
+    "vite": "^6.3.5"
   },
   "keywords": [
     "mcp",
@@ -50,4 +64,4 @@
     "README.md",
     "LICENSE"
   ]
-} 
+}