Add editing on run mcp servers guide (#231)

Author: samuv

docs/toolhive/guides-ui/run-mcp-servers.mdx

@@ -437,6 +437,12 @@ On the **MCP Servers** page, you can manage your installed MCP servers:
 - **Copy URL**: Click the menu (︙) on the server card and select the **Copy**
   icon (⧉) to copy the MCP server's URL to your clipboard. This URL is used by
   AI clients to connect to the MCP server.
+- **Edit configuration**: Click the menu (︙) on the server card and select
+  **Edit configuration** to open a dialog where you can modify the server's
+  settings, such as command arguments, environment variables, secrets, storage
+  volumes, and network isolation. The dialog is pre-filled with your existing
+  configuration, so you only need to change the specific settings you want to
+  update.
 - **View logs**: Click the menu (︙) on the server card and select **View logs**
   to see the server's output.
 - **Remove server**: Click the menu (︙) on the server card and select **Remove