Add "mapped" range for features in all layers

[davidheyman]

Fixes #165

[vercel[bot]]

This pull request is being automatically deployed with Vercel (learn more).
To see the status of your deployment, click below or on the icon next to each commit.

🔍 Inspect: https://vercel.com/axismaps/imaginerio-next/8jzrqYBxpkRAzWoStzoFSmDp5nZS
✅ Preview: In Progress

[Deployment for dd91586 canceled]

[ghost]

CodeSee Review Map:

Review in an interactive map

View more CodeSee Maps

Legend

[codeclimate[bot]]

Code Climate has analyzed commit dd915868 and detected 0 issues on this pull request.

View more on Code Climate.