SALEOR-2007 Add import sorter

[piotrgrundas]

Add eslint-plugin-simple-import-sort

Screenshots

Pull Request Checklist

1. All visible strings are translated with proper context.
2. All data-formatting is locale-aware (dates, numbers, and so on).
3. The changes are tested.
4. The code is documented (docstrings, project documentation).
5. Changes are mentioned in the changelog.

Test Environment Config

API_URI=https://master.staging.saleor.rocks/graphql/

[jwm0]

Looks good! 🎉

[krzysztofwolski]

Can we merge it after nextjs merges with master? Would like to avoid situation, where all 256 files have shuffled imports and commit message is "add next js" (we are squashing PRs)

[piotrgrundas]

@krzysztofwolski That's the plan 😄

[piotrgrundas]

@jwm0 U mentioned u created some ticket for this? Could you link it with the ticket, please? 🙏

[patrys]

Task linked: SALEOR-2007 Streamline eslint config across frontend projects