docs: update README with Pydantic AI integration

Add Pydantic AI to supported frameworks list

Include inline examples for Pydantic AI, LangChain, and OpenAI integrations

Remove outdated documentation links and streamline AI framework integration section

Author: ryoppippi

README.md

@@ -58,24 +58,47 @@ result = execute_tool.call(toolName="hris_list_employees", params={"limit": 10})
 - Integration with popular AI frameworks:
   - OpenAI Functions
   - LangChain Tools
+  - Pydantic AI Tools
   - CrewAI Tools
   - LangGraph Tool Node
 
-## Documentation
+## AI Framework Integration
 
-For more examples and documentation, visit:
+StackOne tools integrate seamlessly with popular AI frameworks. Convert your tools to the appropriate format:
 
-- [Error Handling](docs/error-handling.md)
-- [StackOne Account IDs](docs/stackone-account-ids.md)
-- [Available Tools](docs/available-tools.md)
-- [File Uploads](docs/file-uploads.md)
+### Pydantic AI
 
-## AI Framework Integration
+```python
+# Convert to Pydantic AI format
+pydantic_ai_tools = tools.to_pydantic_ai()
+
+# Use with Pydantic AI agent
+from pydantic_ai import Agent
+agent = Agent(model="openai:gpt-4", tools=pydantic_ai_tools)
+```
+
+### LangChain
+
+```python
+# Convert to LangChain format
+langchain_tools = tools.to_langchain()
+
+# Use with LangChain
+from langchain_openai import ChatOpenAI
+model = ChatOpenAI().bind_tools(langchain_tools)
+```
+
+### OpenAI Functions
 
-- [OpenAI Integration](docs/openai-integration.md)
-- [LangChain Integration](docs/langchain-integration.md)
-- [CrewAI Integration](docs/crewai-integration.md)
-- [LangGraph Tool Node](docs/langgraph-tool-node.md)
+```python
+# Convert to OpenAI function format
+openai_tools = tools.to_openai()
+
+# Use with OpenAI client
+import openai
+client = openai.OpenAI()
+client.chat.completions.create(tools=openai_tools, ...)
+```
 
 ## License