feat: Migrate to gravesoft (for dev)

[the-P1neapple]

Type

• [x] Rewrite already written documentation.
• [ ] Add/remove new pages.

Questions

• [x] Did you preview on your local machine beforehand?
• [x] Did you follow our commit handbook?
• [x] Did you read the Atlas Contribution Guidelines?
• [x] Did you commit to the dev branch and not master?

Describe your pull request

[the-P1neapple]

This is the same commit from earlier today so dev doesn't get screwed up later

[PencilNavigator]

No need. Merge from dev into main later will not revert changes previously done to main. If a conflict is found maintainers can fix it manually.