Fix broken link

Author: ardatan

website/src/pages/v1/getting-started.mdx

@@ -200,7 +200,7 @@ mesh-compose > supergraph.graphql
 
 <Callout>
   [In order to serve the supergraph, you need to setup Hive
-  Gateway](/https://graphql-hive.com/docs/gateway).
+  Gateway](https://graphql-hive.com/docs/gateway).
 </Callout>
 
 ## Generating the individual subgraphs for Schema Registry