Move to Prettier

[Terreii]

🐞 The feature request

Is your feature request related to a problem? Please describe.
Standard has currently an error with JSX (#216).

Describe the solution you'd like
Move to Prettier.

Describe alternatives you've considered
Continue to only use standard.js.

❓Additional context

To be more clously to standard.js, following settings should be set:

• --no-semi (no semicolons)
• --single-quote (use single quotes)
• --end-of-line lf (only use Line Feed (\n) as new line in files)

👩‍🏫 What you will need to know

You should have a basic understanding of Node.js, npm and Git and GitHub.

📋 Step by Step

• 🙋‍♀️Claim this Bug
• 👓 Please review our Code of Conduct
• 💾 install this project
• 📋 run all tests
• 💻 install prettier (not globally) and pretty-quick and add a npm-script for it with the settings
• 📑 Run prettier following it's documentation and then run the npm test. If standard.js fails uninstall it and remove its tests.
• ✔️ Commit all changed files
• 📝 Add a pre-commit-hook using husky (please don't use yarn).