Release 3.0.0

Translated using Weblate (Chinese (Simplified))

Currently translated at 11.8% (95 of 803 strings)

remove broken copy/share all buttons

Retouch some card images

increment v2.9.40

Link to Leaflet v1.3.4 documentation for TileLayer

snapper: Show in supported card list

athop: Add missing cardinfo

extract string resource for "Maps"

Fix a crash in the supported cards activity when scrolling too fast