Add BlazorScheduler

[valincius]

I would like to add my scheduler/calendar project, it is basically a clone of Google's calendar. Build 99% with Blazor.

Demo is available at https://valincius.github.io/BlazorScheduler/

[valincius]

@AdrienTorris what will it take to get this merged?

[ChristianWeyer]

BTW: https://valincius.dev/BlazorScheduler/ give a 404