fix: remove trailing whitespace in clients Needle entry

Author: evalstate

docs/clients.mdx

@@ -917,7 +917,7 @@ MooPoint is a web-based AI chat platform built for developers and advanced users
 
 ### Needle
 
-[Needle](https://needle.app) is a RAG worflow platform that also works as an MCP client, letting you connect and use MCP servers in seconds. 
+[Needle](https://needle.app) is a RAG worflow platform that also works as an MCP client, letting you connect and use MCP servers in seconds.
 
 **Key features:**