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