chore: update nuxt configuration and dependencies

- Added strictMessage option to i18n compilation settings in nuxt.config.ts
- Configured prerender settings in nitro for better route handling
- Updated dependencies in package.json, including @nuxt/ui and @nuxthub/core
- Moved iconify-json packages to dependencies from devDependencies
- Added better-sqlite3 to devDependencies
- Simplified tsconfig.json to extend from .nuxt/tsconfig.json

tsconfig.json

@@ -1,9 +1,3 @@
 {
-  "references": [
-    { "path": "./.nuxt/tsconfig.app.json" },
-    { "path": "./.nuxt/tsconfig.server.json" },
-    { "path": "./.nuxt/tsconfig.shared.json" },
-    { "path": "./.nuxt/tsconfig.node.json" }
-  ],
-  "files": []
-}
+  "extends": "./.nuxt/tsconfig.json"
+}