Data directory stucture change, to migrate:
create `./data/backgrounds` and `./data/bundles/`
move everything from `.data` to `.data/bundles`
move backgrounds from bundles to `./data/backgrounds`
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Admin socket interface changed to use namespaces
Background images are now shared between bundles
route /admin points now to overview of screens
route created for /admin/display/:id
Added proper authentication
Started to add permissions for ui
Added unload webpage from the layer when it hides
Added autosense for language based on browser preferred lang