update docs

playground/server/trpc/context.ts

@@ -9,9 +9,10 @@ export type Context = inferAsyncReturnType<typeof createContext>
  * @link https://trpc.io/docs/context
  */
 export function createContext (
-  opts: H3Event
+  event: H3Event
 ) {
   // for API-response caching see https://trpc.io/docs/caching
-
+  console.log('cookies', parseCookies(event))
+  
   return {}
 }