Added Typescript and rewritten config.js into config.ts (use AI)

package.json

@@ -6,10 +6,12 @@
   "engines": {
     "node": ">=22"
   },
-  "scripts": {
+    "scripts": {
     "start": "node server.js",
     "dev": "node --watch server.js",
-    "lint": "node scripts/lint.mjs",
+    "lint": "eslint .",
+    "typecheck": "tsc --noEmit && tsc --noEmit -p public",
+    "check": "npm run lint && npm run typecheck",
     "test": "node --test"
   },
   "dependencies": {
@@ -25,7 +27,11 @@
   },
   "devDependencies": {
     "@eslint/js": "^10.0.1",
+    "@types/node": "^26.6.2",
     "eslint": "^10.11.0",
-    "globals": "^17.12.0"
+    "eslint-plugin-jsdoc": "^64.5.4",
+    "globals": "^17.12.0",
+    "typescript": "^6.0.3",
+    "typescript-eslint": "^8.70.1"
   }
 }