update: Reorganize the docs sidebar and the AI section

components/connect-ai/ConnectAI.tsx

@@ -117,7 +117,7 @@ export default function ConnectAI() {
           <p className="mt-4 text-sm opacity-80">
             Endpoint: <code>{DOCS_MCP_URL}</code>.{" "}
             <Link
-              href="/ai-ecosystem/mcp#mcp-server-for-docs"
+              href="/getting-started/coding-with-ai/docs-mcp"
               onClick={() => dialog.current?.close()}
               className="text-[#8C0081] underline dark:text-[#e27ad6]"
             >

components/connect-ai/clients.ts

@@ -1,6 +1,6 @@
 // Setup for each AI client in the "Connect AI" dialog in the navbar.
 // When a client changes its config format, update its entry here and in
-// pages/ai-ecosystem/mcp.mdx (MCP server for docs).
+// pages/getting-started/coding-with-ai/docs-mcp.mdx.
 
 export const DOCS_MCP_URL = "https://mcp-docs.memgraph.com";
 const NAME = "memgraph-docs";