JS formatter

[rachidatecs]

Issue description

Implement JS formatting.

Acceptance criteria

• Choose a linter to be used in our project and get approval from a lead.
• JS formatter task is defined and can be run on the command line
• JS linter task is defined and can be run on the command line
• The JS linter is auto triggered on PRs
• The JS linter blocks PRs in GH if it fails
• Update documentation
• Run linter on our JS code

Additional context

Configure the linter (e.g., ESLint) to include a formatting plugin (e.g., eslint-plugin-prettier). This ensures that the formatter and linter don’t conflict.

Cursory review of JS functionality to ensure nothing broke will be required on the part of this ticket's reviewers.

Links to other issues

No response