add http api server

package.json

@@ -5,6 +5,7 @@
   "type": "module",
   "scripts": {
     "dev": "vite --port=3000 --host=0.0.0.0",
+    "api": "tsx server/index.ts",
     "build": "vite build",
     "preview": "vite preview",
     "clean": "rm -rf dist",
@@ -14,22 +15,24 @@
     "@google/genai": "^1.29.0",
     "@tailwindcss/vite": "^4.1.14",
     "@vitejs/plugin-react": "^5.0.4",
+    "better-sqlite3": "^12.4.1",
+    "dotenv": "^17.2.3",
+    "express": "^4.21.2",
     "lucide-react": "^0.546.0",
+    "motion": "^12.23.24",
+    "multer": "^2.1.1",
     "react": "^19.0.0",
     "react-dom": "^19.0.0",
-    "vite": "^6.2.0",
-    "express": "^4.21.2",
-    "dotenv": "^17.2.3",
-    "better-sqlite3": "^12.4.1",
-    "motion": "^12.23.24"
+    "vite": "^6.2.0"
   },
   "devDependencies": {
+    "@types/express": "^4.17.21",
+    "@types/multer": "^2.1.0",
     "@types/node": "^22.14.0",
     "autoprefixer": "^10.4.21",
     "tailwindcss": "^4.1.14",
     "tsx": "^4.21.0",
     "typescript": "~5.8.2",
-    "vite": "^6.2.0",
-    "@types/express": "^4.17.21"
+    "vite": "^6.2.0"
   }
 }