admin: Fix API changes, don't crash the dashboard on non-binary WIP files. Treat new/edited files that have no `auto_format` supported extension as "miscellaneous" files, which are shown separately on the dashboard.

--exclude=build
--exclude=dist
--exclude=docs/_cache
--exclude=docs/_counter
--exclude=bower_components
--exclude=node_modules
--exclude=docs/raw
--exclude=*.egg-info
--exclude=__pycache__
--exclude=__tmpfs__