Overhaul PodMan UI with shadcn

frontend/src/main.tsx

@@ -2,9 +2,12 @@ import { StrictMode } from 'react';
 import { createRoot } from 'react-dom/client';
 import App from './App.js';
 import './index.css';
+import { TooltipProvider } from '@/components/ui/tooltip';
 
 createRoot(document.getElementById('root')!).render(
   <StrictMode>
-    <App />
+    <TooltipProvider>
+      <App />
+    </TooltipProvider>
   </StrictMode>,
 );