feat(website): image editor

[lennartkloock]

Proposed changes

This implements an image editor you can use to crop and scale images before uploading.

Types of changes

What types of changes does your code introduce to Scuffle? Put an x in the boxes that apply

• [ ] Bugfix (non-breaking change which fixes an issue)
• [x] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
• [ ] Documentation Update (if none of the other choices apply)

Checklist

Put an x in the boxes that apply. You can also fill these out after creating the PR. If you're unsure about any of them, don't hesitate to ask. We're here to help! This is simply a reminder of what we are going to look for before merging your code.

• [x] I have read the CONTRIBUTING doc
• [ ] Lint and unit tests pass locally with my changes
• [ ] I have added tests that prove my fix is effective or that my feature works
• [x] I have added necessary documentation (if appropriate)
• [ ] Any dependent changes have been merged and published in downstream modules

Further comments

Closes #187

Depends on #197

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Comparison is base (09f345e) 45.48% compared to head (abf1024) 45.48%. Report is 1 commits behind head on feature/website.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## feature/website #202 +/- ## ================================================ Coverage 45.48% 45.48% ================================================ Files 489 489 Lines 32133 32133 ================================================ Hits 14617 14617 Misses 17516 17516 ```