This PR introduces a robust commit validation mechanism using commit-check-action and enhances the contribution guidelines for better developer experience and codebase hygiene.

[smuppand]

New Workflow:

• Validates commit message structure, author identity, and sign-off using GitHub Actions.
• Automatically comments on pull requests when violations are found.
• Ensures commits to main are properly documented and signed.

Updated CONTRIBUTING.md:

• Added commit message format examples.
• Defined acceptable branch naming conventions.
• Documented how to sign commits using --signoff.
• Included troubleshooting tips for common CI failures.

Benefits:

• Enforces consistent and traceable commits.
• Reduces manual PR feedback and enforces standards automatically.
• Improves auditability and aligns with industry open source contribution standards.

@mwasilew @craigez @nbobbaqcom 

[mwasilew]

The patch looks OK, but the resulting checks seem to be broken. Any idea what is wrong? Maybe there is a released version of this workflow that works?

[smuppand]

New configuration at qualcomm-linux folder is available and recommendation is to use it, instead of maintaining it each repo.