Gsoc Week 1

So far, porting to Kirigami elements has started

• Sidebar is connected to mainview now( model in the mainview now changes according to filter selected from the Sidebar).
  • T6231
• AlbumView has just about the basic structure in terms of display delegates.
• On clicking the collection in AlbumView page now redirects to OverviewPage, that shows image of particular collection( according to the filter selected).
  • T6248