Update README.md to include docker-compose run instructions

[gaylem]

Description

Updated README to modify instructions for running tests with docker-compose run instead of opening bash shell

Fixes #90

Testing Instructions

Review the README and make sure it aligns with the changes made in issue #90

Checklist:

• My code follows the style guidelines of this project
• [] I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes

[netlify]

✅ Deploy Preview for radiant-cucurucho-d09bae ready!

Name	Link
🔨 Latest commit	eddae1e
🔍 Latest deploy log	https://app.netlify.com/sites/radiant-cucurucho-d09bae/deploys/661ffee3946c310008a33ce9
😎 Deploy Preview	https://deploy-preview-91--radiant-cucurucho-d09bae.netlify.app
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.

---

To edit notification comments on pull requests, go to your Netlify site configuration.

[gaylem]

@derekeder made these changes in #90