feat(frontend): add full reservation workflow, timeline gantt, and booking modal

frontend/vite.config.ts

@@ -1,7 +1,9 @@
 import { defineConfig } from 'vite'
 import react from '@vitejs/plugin-react'
+import tailwindcss from '@tailwindcss/vite'
 
 // https://vite.dev/config/
 export default defineConfig({
-  plugins: [react()],
+  plugins: [react(), tailwindcss()],
 })
+