Add support for camera live streams / snapshots (MyFoxSecurityCamera)

[iMicknl]

Device information
Multiple users have requested to view their camera livestreams in Home Assistant. Currently we only support closing the cover of the MyFoxSecurityCamera.

This issue is currently blocked due to no available endpoints in the TaHomalink.com API.

Initially requested in #221 and #222

Device details

{
	"commands": [{
		"commandName": "close",
		"nparams": 0
	}, {
		"commandName": "getName",
		"nparams": 0
	}, {
		"commandName": "open",
		"nparams": 0
	}, {
		"commandName": "refreshDeviceStatus",
		"nparams": 0
	}, {
		"commandName": "setName",
		"nparams": 1
	}, {
		"commandName": "refreshShutterStatus",
		"nparams": 0
	}],
	"states": [{
		"values": ["offline", "online", "uninstalled"],
		"type": "DiscreteState",
		"qualifiedName": "core:CloudDeviceStatusState"
	}, {
		"type": "DataState",
		"qualifiedName": "core:NameState"
	}, {
		"values": ["down", "up"],
		"type": "DiscreteState",
		"qualifiedName": "core:PowerSupplyUpDownState"
	}, {
		"values": ["closed", "opened"],
		"type": "DiscreteState",
		"qualifiedName": "myfox:ShutterStatusState"
	}],
	"dataProperties": [],
	"widgetName": "MyFoxSecurityCamera",
	"uiClass": "Camera",
	"qualifiedName": "myfox:SomfyOnePlusCameraController",
	"type": "ACTUATOR"
}

{
	"commands": [{
		"commandName": "close",
		"nparams": 0
	}, {
		"commandName": "getName",
		"nparams": 0
	}, {
		"commandName": "open",
		"nparams": 0
	}, {
		"commandName": "refreshDeviceStatus",
		"nparams": 0
	}, {
		"commandName": "setName",
		"nparams": 1
	}, {
		"commandName": "refreshShutterStatus",
		"nparams": 0
	}],
	"states": [{
		"values": ["offline", "online", "uninstalled"],
		"type": "DiscreteState",
		"qualifiedName": "core:CloudDeviceStatusState"
	}, {
		"type": "DataState",
		"qualifiedName": "core:NameState"
	}, {
		"values": ["closed", "opened"],
		"type": "DiscreteState",
		"qualifiedName": "myfox:ShutterStatusState"
	}],
	"dataProperties": [],
	"widgetName": "MyFoxSecurityCamera",
	"uiClass": "Camera",
	"qualifiedName": "myfox:SomfyProtectSecurityCameraController",
	"type": "ACTUATOR"
}