gitlab: New package with GitLab's Endpoint

Fixes #292

Change-Id: I444da17dce65745c216711074f01041789282ab2

Change-Id: I444da17dce65745c216711074f01041789282ab2
GitHub-Last-Rev: 714da3c1b4360e46cbfd00dfa655c169d1775535
GitHub-Pull-Request: golang/oauth2#293
Reviewed-on: https://go-review.googlesource.com/113857
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
diff --git a/gitlab/gitlab.go b/gitlab/gitlab.go
new file mode 100644
index 0000000..7f61c74
--- /dev/null
+++ b/gitlab/gitlab.go
@@ -0,0 +1,16 @@
+// Copyright 2018 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Package gitlab provides constants for using OAuth2 to access GitLab.
+package gitlab // import "golang.org/x/oauth2/gitlab"
+
+import (
+	"golang.org/x/oauth2"
+)
+
+// Endpoint is GitLab's OAuth 2.0 endpoint.
+var Endpoint = oauth2.Endpoint{
+	AuthURL:  "https://gitlab.com/login/oauth2/authorize",
+	TokenURL: "https://gitlab.com/login/oauth2/access_token",
+}