Mapbox contents and buttons

[portintegration]

Launch Checklist

• [x] briefly describe the changes in this PR
• [x] include before/after visuals or gifs if this PR includes visual changes
• [x] write tests for all new functionality
• [x] document any changes to public APIs
• [x] tagged @mapbox/maps-android @mapbox/maps-ios @mapbox/core-sdk if this PR adds or updates a public API
• [x] tagged @mapbox/gl-js if this PR includes shader changes or needs a js port
• [x] apply needs changelog label if a changelog is needed (remove label when added)