Provider detail info abount log msg type: add log level to message params in logging API

[rongfengliang]

Is your feature request related to a problem? Please describe.

current I write one simple cube.js logger extension with graylog .but cube.js logger msg has too many. not better for

Describe the solution you'd like

maybe provide some doc about different msg type. especially msg type belong to which lifecycle of cube.js

[ovr]

Hello @rongfengliang ,

We are planning to do changes to the logger and make the interface of it like any "standard" logger. There is no ETA for this issue.

Thanks