Update package.json

package.json

@@ -1,17 +1,27 @@
-{
-  "name": "html-to-pdf-service",
-  "version": "1.0.0",
-  "description": "HTML to PDF API using puppeteer",
-  "main": "index.js",
-  "scripts": {
-    "start": "node index.js"
-  },
-  "dependencies": {
-    "express": "^4.19.2",
-    "cors": "^2.8.5",
-    "puppeteer": "^23.7.0"
-  },
-  "engines": {
-    "node": ">=18"
-  }
-}
+{
+  "name": "html-to-pdf-api",
+  "version": "1.0.0",
+  "description": "HTML to PDF conversion API using Puppeteer",
+  "main": "server.js",
+  "scripts": {
+    "start": "node server.js",
+    "dev": "node server.js"
+  },
+  "keywords": [
+    "pdf",
+    "html",
+    "converter",
+    "puppeteer",
+    "api"
+  ],
+  "author": "",
+  "license": "MIT",
+  "dependencies": {
+    "express": "^4.18.2",
+    "cors": "^2.8.5",
+    "puppeteer": "^21.5.0"
+  },
+  "engines": {
+    "node": ">=18.0.0"
+  }
+}