Fix prettier, eslint and stylelint config

[dijitali]

Fixes

• Fixes #520 by @dijitali

Description

Fixes prettier, eslint and stylelint config. Now run manually via npm run lint and npm run format as discussed in https://github.com/creativecommons/chooser/pull/530#issuecomment-2299706213.

Technical details

~Add and configure husky to run lint-staged (latest v8.x, since v9 drops node v14 support):~ ~npm install --save-dev [email protected]~ ~npx husky add .husky/pre-commit npx lint-staged~

1. Upgrade Prettier and add npm run format scripts: npm update prettier

2. Downgrade eslint-config-prettier to be compatible with eslint v6 (current v7.2.0 requires eslint upgrade): npm install --save-dev [email protected]

3. Ignores coverage and dist directories when running Prettier

4. Update lint-staged to run prettier

5. Remove git-hooks config from package.json (this project uses Husky not Yorkie)

6. Check eslint <-> prettier conflicts and remove problematic rules:

   npx eslint --print-config src/App.vue | npx eslint-config-prettier-check
   
   #The following rules are unnecessary or might conflict with Prettier:
   
   # - comma-dangle
   # - indent
   # - space-before-function-paren
   

7. Set lint-staged to run stylelint on the same file patterns as the npm script is configured to. This potentially needs further work as a separate PR because currently on main, if you run npx stylelint **/*.{css,vue} --fix (the equivalent of what lint-staged runs it against), there's a bunch of things flagged in the static directory.

Tests

1. Run npm run lint and npm run format and check that tests and builds still work OK
2. Try committing a change with incorrect formatting and verify that it's fixed when you next run the lint and format commands

Checklist

• [x] My pull request has a descriptive title (not a vague title like Update index.md).
• [x] My pull request targets the default branch of the repository (main or master).
• [x] My commit messages follow best practices.
• [x] My code follows the established code style of the repository.
• [x] I added or updated tests for the changes I made (if applicable).
• [ ] I added or updated documentation (if applicable).
• [x] I tried running the project locally and verified that there are no visible errors.

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