etag cache

src/index.ts

@@ -5,6 +5,7 @@ import vimeoVideo from './routes/vimeo-video';
 import uploadImage from './routes/upload-image';
 import uploadAvatarImage from './routes/upload-avatar-image';
 import avatarPlaceholder from './routes/avatars/avatar-placeholder';
+import { etag } from 'hono/etag';
 
 const app = new Hono();
 
@@ -18,6 +19,7 @@ app.route('/upload-image', uploadImage);
 app.route('/upload-avatar-image', uploadAvatarImage);
 
 // Unprotected routes
+app.use('/avatars/*', etag());
 app.route('/avatars', avatarPlaceholder);
 
 export default {