Merge all property specs
Update dependencies
Fix property page with no supporting driver
drmtree: handle USB devices

References: https://github.com/ascent12/drm_info/pull/49
Add tooltip with format/modifier hex code in /formats
Improve layout on tabular pages
drmtree: fix empty IN_FORMATS handling

Some drivers expose an empty IN_FORMATS prop (e.g. exynos).
Move database functions to a separate package
curl -X POST is unnecessary when using -d

Thanks minus for the suggestion!
Pretty-print enums spec
Add object type to prop URLs
Add a property page
Allow to filter per plane/driver in /formats view
Fix /formats page stats
Add colors to formats page
Use String helpers for modifiers and formats
Update go-drm
Move template data structures into handlers
Simplify templates