chore: add missing __init__.py files (#2719)

Add `__init__.py` files to 20 directories to conform with Python package standards. This ensures directories are properly recognized as packages, enabling cleaner imports.

src/crewai/agents/agent_adapters/langgraph/__init__.py

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+"""LangGraph adapter for crewAI."""

src/crewai/agents/agent_adapters/openai_agents/__init__.py

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+"""OpenAI agent adapters for crewAI."""

src/crewai/cli/templates/flow/crews/poem_crew/__init__.py

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+"""Poem crew template."""

src/crewai/knowledge/utils/__init__.py

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+"""Knowledge utilities for crewAI."""

src/crewai/llms/__init__.py

@@ -0,0 +1 @@
+"""LLM implementations for crewAI."""

src/crewai/llms/third_party/__init__.py

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+"""Third-party LLM implementations for crewAI."""

src/crewai/memory/storage/__init__.py

@@ -0,0 +1 @@
+"""Memory storage implementations for crewAI."""

src/crewai/tools/agent_tools/__init__.py

@@ -0,0 +1 @@
+"""Agent tools for crewAI."""

src/crewai/utilities/evaluators/__init__.py

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+"""Evaluators for crewAI."""

src/crewai/utilities/events/utils/__init__.py

@@ -0,0 +1 @@
+"""Event utilities for crewAI."""

src/crewai/utilities/exceptions/__init__.py

@@ -0,0 +1 @@
+"""Exceptions for crewAI."""

tests/agents/agent_adapters/__init__.py

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+"""Tests for agent adapters."""

tests/agents/agent_builder/__init__.py

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+"""Tests for agent builder."""

tests/cli/deploy/__init__.py

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+"""Tests for CLI deploy."""

tests/memory/__init__.py

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+"""Tests for memory."""

tests/storage/__init__.py

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+"""Tests for storage."""

tests/tools/__init__.py

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+"""Tests for tools."""

tests/utilities/__init__.py

@@ -0,0 +1 @@
+"""Tests for utilities."""

tests/utilities/evaluators/__init__.py

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+"""Tests for evaluators."""

tests/utilities/events/__init__.py

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+"""Tests for events."""