Add project setup with webpack

[JonahKayizzi]

This pull request comprises the following changes;

• Setup the project repo with Gitflow
• Set up the JavaScript project for the Leaderboard list app, using webpack
• Used ES6 modules with import and export.
• Developed the first working version of the app

[tresorsawasawa]

STATUS: APPROVE ✔️ ✔️ 🍾

Hi @JonahKayizzi
Your project is complete! There is nothing else to say other than... it's time to merge it
Congratulations! 🎉 👏 👏 💯

To highlight 🍾

• All linters are passing ✔️
• Good commit history ✔️
• Good PR description ✔️
• Your README file is professional ✔️

Optional suggestions

Every comment with the [OPTIONAL] prefix won't stop the approval of this PR. However, I strongly recommend you to take them into account as they can make your code better. Some of them were simply missed by the previous reviewer and addressing them will really improve your application.

Cheers and Happy coding!👏👏👏

Feel free to leave any questions or comments in the PR thread if something is not 100% clear.
Please ping me @tresorsawasawa when you comment so I can receive the notification or use slack with the same name.

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