Description

Add Github actions and integrate codecov.

Fixes #611

Type of Change:

Delete irrelevant options.

• Code
• Quality Assurance
• Documentation

Code/Quality Assurance Only

• Bug fix (non-breaking change which fixes an issue)
• This change requires a documentation update (software upgrade on readme file)
• New feature (non-breaking change which adds functionality pre-approved by mentors)

How Has This Been Tested?

Describe the tests you ran to verify your changes. Provide instructions or GIFs so we can reproduce. List any relevant details for your test.

Checklist:

Delete irrelevant options.

• My PR follows the style guidelines of this project
• I have performed a self-review of my own code or materials
• I have commented my code or provided relevant documentation, particularly in hard-to-understand areas

Code/Quality Assurance Only

• My changes generate no new warnings
• New and existing unit tests pass locally with my changes