Link to WebControl

[niccokunzmann]

https://github.com/MaslowCNC/GroundControl/blob/master/INSTRUCTIONS.md mentions "WebControl" but I would like to see this as a link so I can have a look at it.

[joeldfsutton]

https://github.com/WebControlCNC/WebControl

[BarbourSmith]

I've made the reference in the documentation a link too. Great suggestion! Good to close this issue?

[niccokunzmann]

thanks!