Add a link to the REST API documentation app

mayan/apps/rest_api/links.py

@@ -1,3 +1,4 @@
 from django.utils.translation import ugettext_lazy as _
 
 link_api = {'text': _(u'REST API'), 'view': 'api-root', 'famfam': 'disconnect', 'icon': 'disconnect.png'}
+link_api_documentation = {'text': _(u'REST API Documentation'), 'view': 'django.swagger.base.view', 'famfam': 'book', 'icon': 'book.png'}

mayan/apps/rest_api/registry.py

@@ -1,5 +1,5 @@
 from __future__ import absolute_import
 
-from .links import link_api
+from .links import link_api, link_api_documentation
 
-tool_links = [link_api]
+tool_links = [link_api, link_api_documentation]