Fastcms portal system for marketing plugins
## Changelog
- Added department, department employee management
- Added user account balance management
- Added cash withdrawal management
- Added support for task scheduling in plugins
- Added applet authorization login
- Added applet authorization to obtain QR code
- Added various orders Type plug-in extension design
- add group marketing plug-in
- upgrade springboot to 2.6.6
- fix some known bugs
## Relevant addresses
- Development documentation: http://doc.xjd2020.com
- Online experience: https://www.xjd2020.com
## Puzzle Mini Program Preview Screenshot
