add Organizations client to MGMT class and to the readme

Author: lbalmaceda

README.rst

@@ -347,6 +347,7 @@ Available Management Endpoints
 - Jobs() ( ``Auth0().jobs`` )
 - Logs() ( ``Auth0().logs`` )
 - LogStreams() ( ``Auth0().log_streams`` )
+- Organizations() ( ``Auth0().organizations`` )
 - ResourceServers() (``Auth0().resource_servers`` )
 - Roles() ( ``Auth0().roles`` )
 - Rules() ( ``Auth0().rules`` )

auth0/v3/management/auth0.py

@@ -12,6 +12,7 @@
 from .jobs import Jobs
 from .log_streams import LogStreams
 from .logs import Logs
+from .organizations import Organizations
 from .resource_servers import ResourceServers
 from .roles import Roles
 from .rules import Rules
@@ -48,6 +49,7 @@ def __init__(self, domain, token):
         self.jobs = Jobs(domain, token)
         self.logs = Logs(domain, token)
         self.log_streams = LogStreams(domain, token)
+        self.organizations = Organizations(domain, token)
         self.resource_servers = ResourceServers(domain, token)
         self.roles = Roles(domain, token)
         self.rules = Rules(domain, token)

auth0/v3/test/management/test_auth0.py

@@ -76,6 +76,9 @@ def test_logs(self):
     def test_log_streams(self):
         self.assertIsInstance(self.a0.log_streams, LogStreams)
 
+    def test_organizations(self):
+        self.assertIsInstance(self.a0.organizations, Organizations)
+
     def test_resource_servers(self):
         self.assertIsInstance(self.a0.resource_servers, ResourceServers)