[ST-15] As a developer, I want to have an ability to add/remove cities in my favourite list using local storage

[Vira Velmozhna]

--> add cities by clicking on star-icon on 2nd and 3rd pages of website
--> remove cities by clicking on cross-icon in favourite list
--> displaying saved cities in header (desktop) and favourite list
--> change icon on depends of including city in a favourite list