feat: improve local setup documentation

[dimeloper]

Improve local development setup and documentation

This PR enhances the developer experience with comprehensive local setup documentation and improved development workflow guidance.

Changes

• Added Quick Start section to DEVELOPMENT.md with link to new local setup guide
• Created comprehensive LOCAL_SETUP.md - step-by-step guide for end-to-end local development setup
• Enhanced pre-commit hooks documentation with detailed setup and usage instructions
• Added status check rule example to local rule testing section
• Improved code formatting and fixed markdown linting issues

Benefits

• Better developer onboarding experience with clear setup instructions
• Separate detailed local setup guide reduces complexity in main development docs
• Comprehensive GitHub App configuration and ngrok setup documentation
• Enhanced development workflow with pre-commit hooks guidance

The new LOCAL_SETUP.md provides complete end-to-end setup instructions including GitHub App creation, webhook configuration, and local testing, making it easier for new contributors to get started with

[watchflow]

❌ Rule #4 (N/A) failed validation

Error: 1 validation error for Rule parameters Input should be a valid dictionary [type=dict_type, input_value=None, input_type=NoneType] For further information visit https://errors.pydantic.dev/2.11/v/dict_type

Please check your rule definition and fix the error above.

See rule schema docs.

[dkargatzis]

@dimeloper Nice additions for new contributors! Btw, with the recent updates, the id and name fields in agents are now redundant. But, nothing blocking the PR from being merged!