feat(web): add smooth page transitions and WASM loading states

- Implement navigation state tracking with optimistic UI updates
- Add loading spinner and error handling for WASM initialization
- Insert browser yield points during game initialization to prevent freezing
- Redesign leaderboard with tabbed navigation and mock data structure
- Add utility CSS classes for consistent page layouts

web/tsconfig.json

@@ -17,10 +17,15 @@
     ],
     "types": [
       "vite/client",
-      "vike-react"
+      "vike-react",
+      "node"
     ],
     "jsx": "react-jsx",
-    "jsxImportSource": "react"
+    "jsxImportSource": "react",
+    "baseUrl": ".",
+    "paths": {
+      "@/*": ["./*"]
+    }
   },
   "exclude": [
     "dist"