feat: add examples directory with usage scripts

[Nabilhassan12345]

Description

This PR implements the examples directory as requested in issue #9, providing practical usage scripts and demonstrations for RepoReady.

Changes Made

• ✅ Created examples/ directory structure
• ✅ Added basic usage examples (evaluate-popular-repos, create-interactive, evaluate-with-token)
• ✅ Added advanced examples (batch-evaluate, compare-repositories, export-results, check-org-repos)
• ✅ Added integration examples (GitHub Actions, pre-commit hook, Slack integration)
• ✅ Added sample data files and expected results
• ✅ Added comprehensive README with usage instructions

Files Added

• examples/README.md - Main documentation
• examples/basic/ - 3 basic usage examples
• examples/advanced/ - 4 advanced examples
• examples/integrations/ - 3 integration examples
• examples/data/ - 2 sample data files

Testing

• All examples are executable and well-documented
• Examples handle rate limits and errors gracefully
• Ready for users to run with npm run build and export GITHUB_TOKEN=your_token

Closes #9

[github-actions]

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[adiati98]

Hey @Nabilhassan12345,
Thank you for taking on this! We appreciate your contribution. ✨

However, we will close this PR with following reasons:

• You made the changes directly on the main branch, and we don't allow that. Please refer to this bot message.

Please create a new branch to work on your changes.

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