docs: update mkdocs develop guide #none

README.md

@@ -26,6 +26,8 @@ developers in mind.
 
 </div>
 
+<!-- start-intro -->
+
 ## Introduction
 
 This project serves as a functional RAG UI for both end users who want to do QA on their
@@ -355,6 +357,8 @@ This file provides another way to configure your models and credentials.
 
 > (more instruction WIP).
 
+<!-- end-intro -->
+
 ## Star History
 
 <a href="https://star-history.com/#Cinnamon/kotaemon&Date">