Now that that the merging GitHub Action is working, the docs need to be updated in regard to the geojson and topojson files. Also cleans up where this info is located, as it was in 'about' but should be in 'contributing'.
- remove overlays on small screens
- minimise control on small screens
- add popup on zooming to area (since touchscreen devices have no 'hover')
- fix navigation menu for small screens
- add footer with licensing info
- fix table display on small screens
fixes#4fixes#11