Add Java Script for generating the layout from sx and sy
Drop special handling in boxesserver
Add .UI attribute to Boxes class to allow behaving differntly on different UIs
Traylayout is still filtered out from Inkscape INX file generation
Slightly adjust layout format of GridfinityTrayLayout
Co-authored-by: Florian Festi <florian@festi.info>
This is based on the TrayLayout2, but it designed to just give exactly
the correct size boxes to fit into a gridfinity system.
It has a modified TrayLayout setup, so it works in one step. It uses
javascript to auto-generate the grid, which means it doesn't currently
work for Inkscape or command line.
* move & refactor JS to static
* add some typing
* move `head` to functions for reusability
* fix wrong separator for `hreflang` value
* fix various html validator errors