fix: update function limitations

apps/docs/pages/guides/functions/quickstart.mdx

@@ -128,8 +128,8 @@ Edge Functions supports `GET`, `POST`, `PUT`, `PATCH`, `DELETE`, and `OPTIONS`.
 - Deno Deploy limitations
   - Deno does not support outgoing connections to ports `25`, `465`, and `587`.
   - Cannot read or write to File System
+  - NPM modules are not supported.
 - Edge Functions
-  - Local development - only one function at a time
   - Serving of HTML content is not supported (`GET` requests that return `text/html` will be rewritten to `text/plain`).
 
 export const Page = ({ children }) => <Layout meta={meta} children={children} />