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>

biome.json

@@ -0,0 +1,34 @@
+{
+	"$schema": "https://biomejs.dev/schemas/2.4.7/schema.json",
+	"vcs": {
+		"enabled": true,
+		"clientKind": "git",
+		"useIgnoreFile": true
+	},
+	"files": {
+		"ignoreUnknown": false
+	},
+	"formatter": {
+		"enabled": true,
+		"indentStyle": "tab"
+	},
+	"linter": {
+		"enabled": true,
+		"rules": {
+			"recommended": true
+		}
+	},
+	"javascript": {
+		"formatter": {
+			"quoteStyle": "double"
+		}
+	},
+	"assist": {
+		"enabled": true,
+		"actions": {
+			"source": {
+				"organizeImports": "on"
+			}
+		}
+	}
+}