Added Header and Center panels, added category list image, removed unused images
Removed unused images
Implemented Categories view and controller. Refactoring
Added categories button text, some style tweaks
Implemented category info on subcategory sections
Implemented item view handlers, refactored routing
Implemented site center controller, added Item List button to site center panel
Implemented filters controller
Categories controller refactoring
Fixed clear filters when category is selected
Implemented search controller
Fixed item add functionality
Implemented pressed state for site center buttons
Fixed buttons pressed state
Improved router functionality. Added categories and subcategories to routes
Added route creation when categories or item list buttons pressed
Implemented item list header info functionality
Removed item/list routes
Added filters clear when giong to categories page
Show category image for subcategory item list