feat(#19): add Github Actions workflow

[Decipher]

Types of changes

• [ ] Bug fix (a non-breaking change which fixes an issue)
• [x] New feature (a non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to change)

Description

• Added Github actions for linting and testing the codebase
• Resolved #19

Screenshots/Media:

[codecov[bot]]

Codecov Report

:exclamation: No coverage uploaded for pull request base (develop@dc4423a). Click here to learn what that means. The diff coverage is n/a.

@@            Coverage Diff             @@
##             develop      #21   +/-   ##
==========================================
  Coverage           ?   11.76%           
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  Files              ?        8           
  Lines              ?       17           
  Branches           ?        6           
==========================================
  Hits               ?        2           
  Misses             ?        9           
  Partials           ?        6           

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