[Model] Change connection and disconnect methods

[SrMouraSilva]

• Create pedalboard.connect(output, input)
• Create pedalboard.disconnect(output, input)
• Documentate pedalboard.connect(output, input)
• Documentate pedalboard.disconnect(output, input)
• Remove pedalboard.outputs.connect
• Remove pedalboard.outputs.disconnect
• Create MidiConnection?
• Doesn't enable connection between (audio) input and midi_output or (audio) output and midi_input ConnectableMixing
• Fix pluginsmanager.model.output.py
  • Error message:

    PluginsManager/pluginsmanager/model/output.py

    Lines 88 to 89 in e008fd3

    	error = "Isn't possible connect this way. Please use pedalboard.connect(Connection(output, input))"
    	raise ConnectionError(error)

  • [x] Error message:

    PluginsManager/pluginsmanager/model/output.py

    Lines 117 to 118 in e008fd3

    	error = "Isn't possible connect this way. Please use pedalboard.connect(Connection(output, input))"
    	raise ConnectionError(error)

  • [x] Fix pluginsmanager.model.output.disconnect() (try disconnect a system_effect output) (see system_effect input)

    PluginsManager/pluginsmanager/model/output.py

    Line 120 in e008fd3

    self.effect.pedalboard.connections.remove(Connection(self, effect_input))