add desktoploveblazorweb template

[congzhangzh]

add https://github.com/congzhangzh/desktoploveblazorweb

A .NET scaffolding for hybrid desktop application which driving by asp.net blazor server plus lightweight OS browser in one process

It's a simple but magic solution to make your web application work as a desktop application, package standalone, and work on Windows/Linux/Mac OS.

Hope you can give a review

Tks, Cong

[congzhangzh]

@thangchung please review:)