Created an empty model
filled in methods with backing fields in GenericCategoryModel
Started working on the beginning page, still cannot decide the design, also created MainViewModel.cs and started working on MainPage ( the main page of the app)
initially designed MainPage, still not decided about final StartPage look.
slight start button changes
Merge remote-tracking branch 'TouristAppV3/Jacobs'

Conflicts:
	TouristAppV3.csproj