Asiaq nunagis layers

[trey-stafford]

Description

Composed of PRs:

• 568

• 569

Under consideration:

• 570

Checklist

If an item on this list is done or not needed, simply check it with [x].

• [x] Config lockfile updated (inv config.export > qgreenland/config/cfg-lock.json)
• [x] Version bumped if needed (bumpversion (major|minor|patch|prerelease|build)
• [x] CHANGELOG.md updated
• [x] Documentation updated if needed
• [x] New unit tests if needed

[trey-stafford]

I'm going to merge this for an upcoming alpha release for review w/ the team, but we do still do need to review the citation for these datasets. When I hear back from Asiaq I'll make appropriate updates.