Math Magicians: deploy

[HENRYKC24]

In this pull request, I did these:point_down:

1. Used Heroku to deploy the Math Magicians app.
2. Used Netlify to deploy the Math Magicians app.
3. Added 2 links to the deployed applications (Heroku and Netlify) to the README file in my GitHub repo.

[netlify]

✔️ Deploy Preview for distracted-bose-83b83c ready!

🔨 Explore the source changes: dd512c9

🔍 Inspect the deploy log: https://app.netlify.com/sites/distracted-bose-83b83c/deploys/6152d40894033b0008cdaf26

😎 Browse the preview: https://deploy-preview-18--distracted-bose-83b83c.netlify.app

[netlify]

❌ Deploy Preview for brave-colden-beb426 failed.

🔨 Explore the source changes: dd512c9

🔍 Inspect the deploy log: https://app.netlify.com/sites/brave-colden-beb426/deploys/6152d4086bbdb5000864f6f5

[netlify]

✔️ Deploy Preview for objective-euler-b923fb ready!

🔨 Explore the source changes: dd512c9

🔍 Inspect the deploy log: https://app.netlify.com/sites/objective-euler-b923fb/deploys/6152d4083b4a81000808e326

😎 Browse the preview: https://deploy-preview-18--objective-euler-b923fb.netlify.app