Add tip about using Prune context prompt type to help filter out noise in file selection

Author: robertpiosik

README.md

@@ -42,6 +42,9 @@ We believe the agentic context retrieval is inherently flawed. Since the model h
 
 CWC proposes a non-agentic approach, where all the necessary for the task files, includnig useful examples, are picked with engineer's intent. Such guided model is easy to prompt and as accurate as it can get.
 
+> [!TIP]
+> Don't worry if you're unsure what files to choose. The _Prune context_ prompt type will help you filter out noise.
+
 When pair-programming with Code Web Chat you foster codebase understanding, iterate on changes easier to review, and enter the flow state like in the good old days!
 
 ## Enabling autofill in browser