add commitHash to cgmanifest

extensions/docker/cgmanifest.json

@@ -6,12 +6,13 @@
 				"git": {
 					"name": "language-docker",
 					"repositoryUrl": "https://github.com/moby/moby",
-					"commitHash": ""
+					"commitHash": "abd39744c6f3ed854500e423f5fabf952165161f"
 				}
 			},
 			"license": "Apache2",
+			"description": "The file syntaxes/docker.tmLanguage was included from https://github.com/moby/moby/blob/master/contrib/syntax/textmate/Docker.tmbundle/Syntaxes/Dockerfile.tmLanguage.",
 			"version": "0.0.0"
 		}
 	],
 	"version": 1
-}
+}