Merge pull request #190 from apollographql/docs-mcp-explorer

docs: add the mcp-explorer option to rover dev

Author: DaleSeo

docs/source/command-reference.mdx

@@ -133,6 +133,7 @@ The mapping of `rover dev` options to MCP Server options:
 | `--mcp-directory <DIRECTORY>`                         | `-d, --directory <DIRECTORY>`                         |
 | `--mcp-port <PORT>`                                   | `--http-port <PORT>`                                  |
 | `--mcp-address <ADDRESS>`                             | `--http-address <ADDRESS>`                            |
+| `--mcp-explorer`                                      | `-x, --explorer`                                      |
 | `--mcp-introspection`                                 | `-i, --introspection`                                 |
 | `--mcp-uplink-manifest`                               | `-u, --uplink-manifest`                               |
 | `--mcp-operations [<OPERATIONS>...]`                  | `-o, --operations [<OPERATIONS>...]`                  |