Add badge to the upstream repository URL.

Signed-off-by: Roberto Rosario <roberto.rosario.gonzalez@gmail.com>

HISTORY.md

@@ -26,4 +26,5 @@
 - Add django-eraserhead, package that provides hints to optimize database to the testing.
 - Add django-admin-env-notice, Visually distinguish environments in Django Admin to the Other section.
 - Add django-migrations-graph, command to display migrations with dependencies to the migrations section.
-- Add license badge.
+- Add badge with upstream repository URL.
+- Update links, from GitHub to GitLab.

README.md

 # <a href="http://awesome-django.com"><img src="https://raw.githubusercontent.com/rosarior/awesome-django/gh-pages/images/logo-small.png" align="absmiddle"/> Awesome Django</a>
 
-[![Build status](https://gitlab.com/rosarior/awesome-django/badges/master/build.svg)](https://gitlab.com/rosarior/awesome-django/commits/master) ![license](https://img.shields.io/github/license/rosarior/awesome-django.svg)
+[![Repository](https://img.shields.io/badge/GitLab-URL-orange.svg)](https://gitlab.com/rosarior/awesome-django) [![Build status](https://gitlab.com/rosarior/awesome-django/badges/master/build.svg)](https://gitlab.com/rosarior/awesome-django/commits/master) ![license](https://img.shields.io/github/license/rosarior/awesome-django.svg)
+
+
 
 If you find Awesome Django useful, [please consider donating](https://www.paypal.me/RobertoRosario) to help maintain it. Thank you!