Fix property page with no supporting driver

drmtree: handle USB devices

References: https://github.com/ascent12/drm_info/pull/49

go fmt

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

Add formats page

Update dependencies