initial stub for categories overview page
add url route for categories page
initial layout for categories overview page (for midsize viewport)
add stylesheet for categories page
finish layout of categories overview page for medium viewport
add custom template filter for accessing dictionary item
create mock data for categories overview page
category overview page works for tiny viewport
add filter switches to category overview page
add hover highlighting to rows
fully responsive for category overview page
cleanup commented code
minor fixes for categories overview page
larger font size for category labels
add styles in case of no category labels
initial layout for category details page
minor layout changes to categories overview page
add more mock data for categories
add additional url route for category details page