chore: add llm pr janitor n cicd

[GangGreenTemperTatum]

PR janitor and scripts

Key Changes:

• adds PR janitor via rigging

Added:

• adds PR janitor via rigging

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Generated Summary

• Added GitHub workflow to update PR descriptions using the rigging tool.
• Introduced a semantic PR linter workflow to validate PR titles on the main branch.
• Created hooks for automatic documentation generation from MDX files.
• Added a hook to check for unpinned GitHub Action dependencies in workflow files.
• Implemented a script to generate PR descriptions from git diffs with truncation warnings.
• Added YAML linter configuration to adjust line-length and linting rules.
• Included a post-merge script to trigger dependency updates via poetry for both root and API components.
• Added a Prettier script to format staged JSON and YAML files automatically.

This summary was generated with ❤️ by rigging