log to Output Channel : wip

[Josverl]

attempt to log to the VSCode output channels and integrate this with the consolite module as per https://github.com/pycom/pymakr-vsc/issues/213

• [x] create channel
• [x] Log lines and partial lines
• [x] show channel
• [ ] integrate with consolite

[Josverl]

@jakobrosenberg , , could you take a look at getting this to work with consolite ?

I have been unable to find a way to get consolite to call methods registered for the output channel. perhaps it would be simpler to replace consolite by a class directly suitable to logging to the VSCode output channel ? perhaps something simple like this

[jakobrosenberg]

This PR has been pulled and merged.