Lis-skins loading prices improvements

Шестерёнка на странице инвентаря открывает настройки (провайдер цен, валюта, язык)
Нажатие на иконку расширения открывает инвентарь напрямую
Добавлен провайдер Lis-Skins

Added second method in count drop cs2 price
And other fixes and improvements

New languages
Some fixes

Added CS2 rank drop profit analyzing

Added manual language selection
Added market page navigation when clicking on its icon on any item with a price
Inventory cost calculation no longer shows the loading overlay
And some other minor changes

New "Calculate cost" button — totals the market price of all items in your inventory, respects active filters
Inventory darkens during sort/calculate — no more items jumping or flickering on screen
Filters are blocked while loading — no accidental clicks
Fixed: sort button didn't work until switching to another game tab and back

Added sort-by-price button for CS2, Dota 2 and TF2 inventory items
Sort works with active item filters (tag checkboxes)
Button relocated below the search field for better placement
Improved button visibility with updated styling
Full localization support — button text follows Steam's interface language
Added 7 new languages: Deutsch, Español, Français, Português (BR), 中文, 日本語, 한국어
Optimized performance — fewer DOM updates during sort
Fixed app ID detection when switching between games
Robust fallbacks for extension locale errors

fixed page reloading after changing currency
fixed page not load prices after changing steam inventory filters
added localization