Bump snapshot file size limit to 1 MiB

Closes: https://github.com/ascent12/drm_info/issues/84
Add explanation about percentage in format page
Add filter indicators
Upgrade dependencies
Properly handle props with same name but different object type
Add page to list devices supporting a property
Upgrade dependencies
Update dependencies
Add links to docs in capabilities page
Parse the Forwarded header, if any
Upgrade dependencies

Brings Amlogic modifiers support to go-drm.
Fix plane fb_id unmarshalling
Rename device.html to snapshot.html
Fix driverLess comparison
Add togglers on device page
Remove leading whitespace in cap list
Print device vendor/name in device page
Render node trees in templates
Log 500 error causes