fix: Create __init__.py for intelligence domain (#718)

* Create __init__.py for intelligence domain

Author: AsabuHere

twilio/rest/intelligence/__init__.py

@@ -0,0 +1,13 @@
+from twilio.rest.intelligence.IntelligenceBase import IntelligenceBase
+from twilio.rest.intelligence.v2.service import ServiceList
+from twilio.rest.intelligence.v2.transcript import TranscriptList
+
+
+class Intelligence(IntelligenceBase):
+    @property
+    def transcripts(self) -> TranscriptList:
+        return self.v2.transcripts
+
+    @property
+    def services(self) -> ServiceList:
+        return self.v2.services