Switch from Travis CI → GitHub Actions

[quantum9Innovation]

Bye Bye Travis

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Known Issues

This PR fixes a major issue with Travis CI where paid credits are being used to fund OSS builds. The error message on Travis CI reads:

Builds have been temporarily disabled for public repositories due to a negative credit balance. Please go to the Plan page to
replenish your credit balance or alter your Consume paid credits for OSS setting.

Essentially, this means that Travis CI will no longer run builds in the epispot organization. To make matters worse, the only reason we switched to Travis CI was due to the CodeCov bash uploader security breach. Since Travis CI was isolated from our GitHub repository and each build had no tokens unique to our repository, it was a safe alternative to GitHub Actions. However, if Travis CI continues not to run, it has the potential to create more security vulnerabilities than it fixes. For that reason, we are making the switch back from Travis CI to GitHub Actions.

Code Breakdown

• .github/workflows
  • Create build.yml as a replacement for /.travis.yml
• requirements/
  • Update README to acknowledge pre-requirements
  • Add pre-requirements.txt for requirements that need to be installed first
• scripts/
  • Update README.md to acknowledge renamed runner/ directory
  • Rename travis/ directory to runner/ and modify build script to be compatible with new requirements
• Remove .travis.yml

Additional Notes

As a CODEOWNER, @Quantalabs will lead the review process. We will need to make sure that this script is completely airtight before merging.

[codecov]

Codecov Report

Merging #93 (9b438a3) into master (fbdf88e) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master      #93   +/-   ##
=======================================
  Coverage   90.15%   90.15%           
=======================================
  Files           9        9           
  Lines         508      508           
=======================================
  Hits          458      458           
  Misses         50       50           

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[Quantalabs]