Update example for creating McpServer so that the becomes visible in claude desktop for mac (modelcontextprotocol#183)

Author: vegahar

quickstart/server.mdx

@@ -433,6 +433,10 @@ const USER_AGENT = "weather-app/1.0";
 const server = new McpServer({
   name: "weather",
   version: "1.0.0",
+  capabilities: {
+    resources: {},
+    tools: {},
+  },
 });
 ```