Add create tenant method

Author: stanleyphu

examples/example.py

@@ -4,9 +4,11 @@ def make_warrant_requests(api_key):
     client = Warrant(api_key)
 
     # Create users and session tokens
-    print("Created user with provided id: " + client.create_user("custom_id_001"))
+    print("Created tenant with provided id: " + client.create_tenant("custom_tenant_001"))
+    print("Created user with provided id: " + client.create_user("custom_user_001"))
     new_user = client.create_user()
     print("Created user with generated id: " + new_user)
+    print(client.create_warrant(object_type="tenant", object_id="custom_tenant_001", relation="member", user=new_user))
     print("Created session token: " + client.create_session(new_user))
 
     # Create and check warrants

warrant/__init__.py

@@ -40,6 +40,14 @@ def create_user(self, user_id=""):
         json = self._make_post_request(uri="/users", json=payload)
         return json['userId']
 
+    def create_tenant(self, tenant_id=""):
+        if tenant_id == "":
+            payload = {}
+        else:
+            payload = { "tenantId": tenant_id }
+        json = self._make_post_request(uri="/tenants", json=payload)
+        return json['tenantId']
+
     def create_session(self, user_id):
         if user_id == "":
             raise WarrantException(msg="Invalid userId provided")