[Builder] Linting & Formatting

[aarushik93]

Add a linter and formatter, and automatic checks in the CI, for the builder app

formatter: https://prettier.io/

[andrewhooker2]

Hi there @aarushik93 I just saw this was re-opened I have a PR up for an issue similar to this if you would like to check it out.

#7629

[github-actions[bot]]

This issue has automatically been marked as stale because it has not had any activity in the last 50 days. You can unstale it by commenting or removing the label. Otherwise, this issue will be closed in 10 days.

[github-actions[bot]]

This issue was closed automatically because it has been stale for 10 days with no activity.