chore: update nuxt.config.ts and package.json for dependency upgrades and cleanup

- Removed unnecessary comments from nuxt.config.ts for better readability.
- Upgraded @nuxt/eslint from ^1.4.1 to 1.10.0.
- Updated nuxt from ^3.17.5 to 4.2.1 and vue from ^3.5.16 to 3.5.24.
- Updated vue-router from ^4.5.1 to 4.6.3.
- Updated devDependencies:
  - @nuxt/eslint-config from ^1.4.1 to 1.10.0.
  - eslint from ^9.29.0 to 9.39.1.
  - typescript from ^5.8.3 to 5.9.3.
  - vue-tsc from ^2.2.10 to 3.1.3.
  - wrangler from ^4.20.1 to 4.47.0.

package.json

@@ -13,19 +13,19 @@
   },
   "dependencies": {
     "@nuxt/content": "3.8.0",
-    "@nuxt/eslint": "^1.4.1",
+    "@nuxt/eslint": "1.10.0",
     "@nuxthub/core": "^0.9.0",
     "better-sqlite3": "^12.4.1",
-    "nuxt": "^3.17.5",
-    "vue": "^3.5.16",
-    "vue-router": "^4.5.1"
+    "nuxt": "4.2.1",
+    "vue": "3.5.24",
+    "vue-router": "4.6.3"
   },
   "devDependencies": {
-    "@nuxt/eslint-config": "^1.4.1",
-    "eslint": "^9.29.0",
-    "typescript": "^5.8.3",
-    "vue-tsc": "^2.2.10",
-    "wrangler": "^4.20.1"
+    "@nuxt/eslint-config": "1.10.0",
+    "eslint": "9.39.1",
+    "typescript": "5.9.3",
+    "vue-tsc": "3.1.3",
+    "wrangler": "4.47.0"
   },
   "packageManager": "pnpm@10.12.1",
   "pnpm": {