Bug#969947: ITP:dde-introduction --Introdauction for UOS

[Tu Qinggang <tuqinggang@uniontech.com>]

Package: wnpp
Severity: wishlist
Owner: Tu Qinggang <tuqinggang@uniontech.com>

* Package name: dde-introduction
  Version: 5.5.51
  Upstream Author: Deepin Technology Co., Ltd.
* URL: https://github.com/linuxdeepin/dde-introduction
* License: GPL-3.0
  Programming Lang: C++ 
  Description: Introduction for UOS

When you log into the system for the first time, a welcome program will automatically start.
Watch the introduction video to get new features, customize your desktop, enable the window
effect and know more about UnionTech OS. 

I intend to maiantaining this.