Fixed bug with serch form; added filter service.
Added logic for disabling search form input; removed sort functions;
Added PHP API for collagues data; refactored collagues controller and view; added private attributes to filter service.
Adjusted PHP API for bagde data.
Added global event listener for route event.
Used new routing service for displaying different placeholder texts (search form).
Set visibility and placeholder text of the search form corresponding to the current route.
Renamed application.
Fixed bug with with wrong item count in case of filtering.
Added comments and fixed code style.
Added styles to badges view.
Added color selection to badges.