feat(mcp): add local dev script tool

[aaronsteers]

Summary by CodeRabbit

• New Features
  • Added tools for generating PyAirbyte pipeline scripts and setup instructions based on selected connectors.
  • Introduced templates for local pipeline code and documentation to assist with pipeline creation and configuration.
  • Integrated new coding, connector configuration, and secret manager tools into the MCP server for enhanced local development support.
  • Enabled enumeration and availability checking of secrets across multiple secret managers.
  • Added support for OpenAI-compatible API clients, including GitHub tokens, to improve LLM-assisted functionalities.
  • Enhanced secret management with improved dotenv and environment variable secret handling.
  • Added nullable secret retrieval and secret listing capabilities to secret utilities.
  • Updated linter configuration to allow Any type annotations for variadic function parameters.
  • Added openai package as a new project dependency.