Introduce HTTPClient to encapsulate the different mgmt keys needs (#633)

Author: itaihanski

descope/_auth_base.py

@@ -7,3 +7,4 @@ class AuthBase:
 
     def __init__(self, auth: Auth):
         self._auth = auth
+        self._http = auth.http_client

descope/_http_base.py

@@ -0,0 +1,10 @@
+from __future__ import annotations
+
+from descope.http_client import HTTPClient
+
+
+class HTTPBase:
+    """Base class for classes that only need HTTP access."""
+
+    def __init__(self, http_client: HTTPClient):
+        self._http = http_client