feat: integrated Clerk webhooks

README.md

@@ -6,6 +6,16 @@ A Duolingo alternative for language learners who seek a more personalized and ef
 
 Built with [`create-t3-app`](https://create.t3.gg/).
 
+## Development guide
+
+### Clerk + Webhooks
+
+1. Start the dev server with `npm run dev`
+2. Request a tunnel with `npx lt --port 3000`
+3. Copy the link from that command
+4. Go to Clerk Dashboard > Webhooks > [end point]
+5. Edit the endpoint URL to use the copied link + `/api/webhooks/your-route-name`
+
 ## TODO:
 
 ### Backend