refactor: restructure application components and update routing

vite.config.js

@@ -1,10 +1,16 @@
 import { defineConfig } from 'vite'
 import react from '@vitejs/plugin-react'
+import { resolve } from 'path';
 
 // https://vite.dev/config/
 export default defineConfig({
   plugins: [react()],
   build: {
     outDir: 'dist'
-  }
+  },
+  resolve: {
+    alias: {
+      '@': resolve(__dirname, './src'),
+    },
+  },
 })