Handle pretty-quick issue (#3169)

- Replace pretty-quick by lint-staged (to fix:
<https://github.com/azz/pretty-quick/issues/164>)
- Update prettier dependencies
- Handle prettier issues

.github/PULL_REQUEST_TEMPLATE.md

@@ -3,7 +3,6 @@ Hello and thank you for wanting to contribute to the MagicMirror² project
 **Please make sure that you have followed these 4 rules before submitting your Pull Request:**
 
 > 1. Base your pull requests against the `develop` branch.
->
 > 2. Include these infos in the description:
 >
 > - Does the pull request solve a **related** issue?
@@ -13,7 +12,6 @@ Hello and thank you for wanting to contribute to the MagicMirror² project
 >
 > 3. Please run `npm run lint:prettier` before submitting so that
 >    style issues are fixed.
->
 > 4. Don't forget to add an entry about your changes to
 >    the CHANGELOG.md file.