Add root API showing the new endpoints.

Signed-off-by: Michael Price <loneviking72@gmail.com>

mayan/apps/rest_api/classes.py

@@ -0,0 +1,10 @@
+from __future__ import unicode_literals
+
+
+class Endpoint(object):
+    def __init__(self, label):
+        self.label = label
+
+    @property
+    def url(self):
+        return '/api/{}/'.format(self.label)