Changelog:

05-09-2021: functional masterinterface with styles
* remove json api documentation (now at 333networks.com/json)
* refine the information fields in server info
* add style generation code to utilities
* 333networks style as default style
* update readme with style generation instructions

23-05-2021: first version of masterinterface
* initial working version of webinterface compatible with MasterServer-Qt5
* descriptive readme with user instructions