chore: apply Prettier formatting to entire codebase

Co-Authored-By: Claude Sonnet 4.5 <[email protected]>

src/types/hono.d.ts

@@ -1,8 +1,8 @@
-import { Env } from './index';
+import { Env } from "./index";
 
 // Extend Hono's types to include our custom environment
-declare module 'hono' {
+declare module "hono" {
   interface ContextVariableMap {
     env: Env;
   }
-} 
+}