Added missing doc strings

[steven10a]

• Added doc strings to chat.py which was missing some
• Some reformatting from running ruff format

[Copilot]

Pull Request Overview

This PR adds missing docstrings to the chat.py module to comply with documentation standards and includes automatic code formatting changes from running ruff format.

Key changes:

• Added comprehensive docstrings to all classes and methods in chat.py
• Removed docstring-related lint rule exceptions from pyproject.toml to enforce documentation standards
• Applied automatic code formatting that condenses multi-line function signatures and method calls

Reviewed Changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated 4 comments.

File	Description
src/guardrails/resources/chat/chat.py	Added docstrings to Chat, AsyncChat, ChatCompletions, and AsyncChatCompletions classes and their methods
src/guardrails/resources/responses/responses.py	Code formatting changes including condensed function signatures and method calls
pyproject.toml	Removed docstring-related lint exceptions to enforce documentation requirements

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[gabor-openai]

TY!