* add custom error pages
* move icon in front of header text
* show exception message if user is root admin
* add missing page for very important error: 418
* Update resources/views/errors/layout.blade.php
* Update resources/views/errors/layout.blade.php
* add dark mode to error pages
---------
Co-authored-by: Lance Pioch <lancepioch@gmail.com>
Permission obtained from @DDynamic. Contributions from other users were
removed since we did not obtain permission from them for the re-license.
From this point forward all contributors must have a signed Contributor
License Agreement on file.