feat: refactor frontend routing and authentication

- Changed root div ID from 'root' to 'app' in index.html.
- Updated package.json to include new dependencies for routing and state management.
- Removed App component and replaced it with a router setup in main.tsx.
- Added route definitions for login, about, and index pages.
- Implemented authentication logic using Zustand for state management.
- Created API client with Axios for handling requests and token management.
- Added CORS support in the backend API.
- Updated schema for login requests to use camelCase.

libertas-frontend/vite.config.ts

@@ -2,9 +2,14 @@ import { defineConfig } from 'vite'
 import react from '@vitejs/plugin-react'
 import tailwindcss from '@tailwindcss/vite'
 import path from 'path'
+import { tanstackRouter } from '@tanstack/router-plugin/vite'
+
 
 export default defineConfig({
- plugins: [react(), tailwindcss()],
+ plugins: [tanstackRouter({
+  target: 'react',
+  autoCodeSplitting: true,
+ }), react(), tailwindcss()],
   resolve: {
     alias: {
       "@": path.resolve(__dirname, "./src"),