Add a formatter to the frontend

[ineshbose]

Is your feature request related to a problem?

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Formatting frontend code will be a very good idea so that it is easily understandable through components and consistent.

Describe the solution you'd like

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Use Prettier along with a GitHub Action that checks everything to be formatted.

Describe alternatives you've considered

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ESLint will run along Prettier to ensure minimum errors.

[ineshbose]

/cib

[github-actions]

Branch feature/13-add_a_formatter_to_the_frontend created for issue #13: Add a formatter to the frontend