feat(01-01): scaffold project with Vite, Hono, TanStack Router, Tailwind, and Drizzle config

- Initialize bun project with all frontend/backend dependencies
- Configure Vite with TanStack Router plugin, React, and Tailwind v4
- Create Hono server with health check and static file serving
- Set up TanStack Router file-based routes with root layout
- Add Drizzle config, Biome linter, and proper .gitignore

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

src/client/main.tsx

@@ -0,0 +1,29 @@
+import { StrictMode } from "react";
+import { createRoot } from "react-dom/client";
+import { RouterProvider, createRouter } from "@tanstack/react-router";
+import { QueryClient, QueryClientProvider } from "@tanstack/react-query";
+import { routeTree } from "./routeTree.gen";
+
+const queryClient = new QueryClient();
+
+const router = createRouter({
+  routeTree,
+  context: {},
+});
+
+declare module "@tanstack/react-router" {
+  interface Register {
+    router: typeof router;
+  }
+}
+
+const rootElement = document.getElementById("root");
+if (!rootElement) throw new Error("Root element not found");
+
+createRoot(rootElement).render(
+  <StrictMode>
+    <QueryClientProvider client={queryClient}>
+      <RouterProvider router={router} />
+    </QueryClientProvider>
+  </StrictMode>,
+);