Prettier: CI/CD, Remove deprecated options

[satelllte]

What's changed

• Replaced [Deprecated] jsxBracketSameLine option with bracketSameLine
• Added check for code formatting in CI

[codesandbox-ci]

This pull request is automatically built and testable in CodeSandbox.

To see build info of the built libraries, click here or the icon next to each commit SHA.

Latest deployment of this branch, based on commit 3380381:

Sandbox	Source
example	Configuration

[satelllte]

Optionally, this can be moved earlier: before or after "Check lint" step

[satelllte]

Ignored MDX files, because semi rule set to false and it adds semicolons at the beginning of root-level JSX code.

For example, this:

import { PerspectiveCamera } from '@react-three/drei'
<Canvas>
  <PerspectiveCamera makeDefault manual />
</Canvas>

gets replaced by this:

import { PerspectiveCamera } from '@react-three/drei'
;<Canvas>
  <PerspectiveCamera makeDefault manual />
</Canvas>