The Xi'an map isn't being regularly used, and it has some issues
(boundary is too large, OSM is missing buildings in most of the area).
The zcool font enables Chinese characters to render, but costs 6MB in
the binary files, slowing down wasm loading time. Eventually, we can
support async loading fonts and passing them to widgetry when loading a
map requiring them. For now, cutting down wasm size is a bigger
priority.
game wasm from 18MB to 12MB. Not bad!
data/ directory, because they're statically bundled; they're not
actually read from the filesystem. #253
Two SVGs get duplicated between widgetry and abst assets -- dont_walk
and arrow_drop_down.
