add doc

Docker-DCO-1.1-Signed-off-by: Victor Vieux <vieux@docker.com> (github: vieux)

docs/sources/reference/api/docker_remote_api.md

@@ -34,6 +34,11 @@ You can still call an old version of the API using
 
 ### What's new
 
+`GET /containers/(name)/json`
+
+**New!**
+The `HostConfig.Links` field is now filled correctly
+
 **New!**
 `Sockets` parameter added to the `/info` endpoint listing all the sockets the 
 daemon is configured to listen on.

docs/sources/reference/api/docker_remote_api_v1.13.md

@@ -240,7 +240,7 @@ Return low-level information on the container `id`
                                 }
                             ]
                          },
-                         "Links": null,
+                         "Links": ["/name:alias"],
                          "PublishAllPorts": false
                      }
         }