feat: Add optional parameters to PNConfiguration.__init__

Add optional parameters to PNConfiguration.__init__ allowing developers
to set subscriber_key, publish_key, and uuid during initialization.

Author: jguz-pubnub

pubnub/pnconfiguration.py

@@ -14,16 +14,19 @@ class PNConfiguration(object):
     DEFAULT_CRYPTO_MODULE = LegacyCryptoModule
     _locked = False
 
-    def __init__(self):
+    def __init__(self,
+                 subscriber_key: str | None = None,
+                 publish_key: str | None = None,
+                 uuid: str | None = None):
         # TODO: add validation
-        self._uuid = None
+        self._uuid = uuid
         self.origin = "ps.pndsn.com"
         self.ssl = True
         self.non_subscribe_request_timeout = 10
         self.subscribe_request_timeout = 310
         self.connect_timeout = 10
-        self.subscribe_key = None
-        self.publish_key = None
+        self.subscribe_key = subscriber_key
+        self.publish_key = publish_key
         self.secret_key = None
         self.cipher_key = None
         self._cipher_mode = AES.MODE_CBC