add string constants for remote init

Author: neel1996

constants/global_constants.go

@@ -3,3 +3,9 @@ package constants
 const (
 	SearchLimit = 10
 )
+
+const (
+	Repo       = "GIT_REPO"
+	RemoteName = "REMOTE_NAME"
+	RemoteUrl  = "REMOTE_URL"
+)