Fix: Add start script for Coolify/Nixpacks and set type to module

package.json

@@ -1,21 +1,25 @@
 {
   "name": "tscut",
   "version": "1.0.0",
-  "description": "",
-  "main": "index.js",
+  "description": "Otimizador de Plano de Corte 2D",
   "scripts": {
     "dev": "vite",
     "build": "vite build",
+    "start": "vite preview --port $PORT --host 0.0.0.0",
     "preview": "vite preview",
     "test": "echo \"Error: no test specified\" && exit 1"
   },
-  "keywords": [],
-  "author": "",
+  "keywords": [
+    "cutting",
+    "optimizer",
+    "vite"
+  ],
+  "author": "admtracksteel",
   "license": "ISC",
-  "type": "commonjs",
+  "type": "module",
   "dependencies": {
     "papaparse": "^5.5.3",
-    "vite": "^7.2.6",
+    "vite": "^7.3.1",
     "xlsx": "^0.18.5"
   }
 }