Start test suite

[martijnrusschen]

Issue number and link

Closes https://github.com/Hacker0x01/hai-on-hackerone/issues/3 Closes https://github.com/Hacker0x01/hai-on-hackerone/issues/5

📝 Summary

We added automatic testing to the repo: unittests and codeQL We also added codecov for overview on code coverage.

🧪 Test Plan

🟢 Green pipeline

✅ Review Checklist

• [x] Linked to the relevant Github issue
• [x] MR status changed from draft to ready for review
• [x] Comprehensive summary of the changes is written
• [x] I ensured that unit, integration, regression, and end-to-end tests are added (if applicable)
• [x] I assessed the performance impact of the changes (if applicable)
• [x] I conducted a thorough self-review of the code on Github
• [x] I ensured that all documentation is updated to reflect the changes

[github-advanced-security[bot]]

This pull request sets up GitHub code scanning for this repository. Once the scans have completed and the checks have passed, the analysis results for this pull request branch will appear on this overview. Once you merge this pull request, the 'Security' tab will show more code scanning analysis results (for example, for the default branch). Depending on your configuration and choice of analysis tool, future pull requests will be annotated with code scanning analysis results. For more information about GitHub code scanning, check out the documentation.

[codecov[bot]]

Welcome to Codecov :tada:

Once you merge this PR into your default branch, you're all set! Codecov will compare coverage reports and display results in all future pull requests.

Thanks for integrating Codecov - We've got you covered :open_umbrella: