updating readme

[zaradford]

Description

Creating a github action to run tests and updating the readme

Fixes # (Tag or link relevant issues)
https://git.hubteam.com/HubSpot/EcoSAPlanning/issues/72

Type of change

Please delete options that are not relevant.

• [x ] New feature (non-breaking change which adds functionality)

How Has This Been Tested?

Please include test coverage results that cover the changes referenced in the PR description.

Checklist:

• [x ] I have performed a self-review of my code
• [ x] I have commented my code, remember, these are resources to help developers identify patterns for HubSpot integrations
• [ x] I have made corresponding changes to the documentation
• [x ] My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• [ x] New and existing unit tests pass locally with my changes
• [x ] Any dependent changes have been merged and published in downstream modules