Encourage contributions and provide support info

[jimenezz22]

Added a note encouraging contributions and support.
Closes: #108

Summary by CodeRabbit

• Documentation
  • Improved README.md with visual formatting enhancements around the Contribution section for better document organization and readability.

[coderabbitai]

Caution

Review failed

The pull request is closed.

Walkthrough

This pull request adds horizontal rule formatting (markdown separators) above and below the Contribution section in README.md. The change is purely visual, adding one line to delineate the Contribution section with no modifications to content or document structure.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch jimenezz22-patch-2

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