add tip on top

README.md

@@ -3,6 +3,12 @@
 This is a template project for building [Conduit](https://conduit.io) processors in Go. It makes it possible to
 start working on a Conduit processor in a matter of seconds.
 
+> [!TIP]
+> Are you looking to write a simple processor for your specific use case? In that case you could take the simpler
+> approach - check out the
+> [documentation](https://conduit.io/docs/developing/processors/building#using-sdknewprocesorfunc) how you
+> can write a processor in a single function!
+
 ## Quick start
 
 1. Click [_Use this template_]() and clone your new repository.