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

Sort keys in walkLatest

Fix driver comparison

Fix alt device drivers

Print other snapshots on device page