fix: package import for all the sub directories

Author: csgulati09

setup.cfg

@@ -17,11 +17,20 @@ classifiers =
 packages = 
     portkey_ai
     portkey_ai.api_resources
+    portkey_ai.api_resources.apis
+    portkey_ai.api_resources.instrumentation
+    portkey_ai.api_resources.instrumentation.crewai
+    portkey_ai.api_resources.instrumentation.langgraph
+    portkey_ai.api_resources.instrumentation.litellm
+    portkey_ai.api_resources.instrumentation.openai
+    portkey_ai.api_resources.types
     portkey_ai._vendor
     portkey_ai.langchain
     portkey_ai.llamaindex
-    portkey_ai.utils
     portkey_ai.llms
+    portkey_ai.llms.langchain
+    portkey_ai.llms.llama_index
+    portkey_ai.utils
 python_requires = >=3.8
 zip_safe = True
 include_package_data = True