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>

drizzle.config.ts

@@ -0,0 +1,10 @@
+import { defineConfig } from "drizzle-kit";
+
+export default defineConfig({
+  out: "./drizzle",
+  schema: "./src/db/schema.ts",
+  dialect: "sqlite",
+  dbCredentials: {
+    url: "gearbox.db",
+  },
+});