feat: support setting concurrency limits in web search

README.md

@@ -24,6 +24,10 @@ Please give a 🌟 Star if you like this project!
 
 ## Recent updates
 
+25/02/17
+
+- Added: set rate limits for web search
+
 25/02/16
 
 - Refactored the search visualization using VueFlow
@@ -48,7 +52,6 @@ Please give a 🌟 Star if you like this project!
 - Added Docker support
 - Fixed "export as PDF" issues
 
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 ## How to use
 
 Live demo: <a href="https://deep-research.ataw.top" target="_blank">https://deep-research.ataw.top</a>