web: allow for a configurable font-family to be set

Labels: area/ui/web kind/feature priority/backlog

sudoforge opened

this is also something that could be configured by the user via a git-bug.ui.web.fonts git configuration prop in the future.

Originally posted by @sudoforge in #1438

sudoforge added label area/ui/web

sudoforge added label kind/feature

sudoforge added label priority/backlog