Update README

README.md

@@ -1,8 +1,16 @@
 # Qewer's URL Shortener
 
-A simple URL shortener built with Rust and Cloudflate Workers.
+A simple URL shortener built with Rust and Cloudflate Workers. It has four routes:
+
+`/`: Shows message
+`/:key`: This is the main route for shortened URLs. It responds with a redirect HTML page if the key is in the KV, shows a 404 page otherwise
+`/create/:secret`: Adds a new key-value combination to the KV (request body should have a "key" and a "url" field), needs secret as a parameter
+`/delete/:secret`: Deletes a key-value combination from the KV by key (request body should have a "key" field), needs secret as a parameter
 
 ```bash
+# condifgure the SECRET
+wrangler secret put SECRET
+
 # compiles project to WebAssembly
 wrangler build