Request for port_disconnected event

[Nevolutionize]

It would be nice to have a port_disconnected signal on the NodeGraph object.
Currently, there's only a port_connected signal being emitted by the Port.connect_to() function.

[jchanvfx]

Hi @Nevolutionize

I've released v0.0.11 with the port_disconnected signal. 😸
https://github.com/jchanvfx/NodeGraphQt/releases/tag/v0.0.11

Cheers,
Johnny

[Nevolutionize]

Thanks so much Johnny.