Add: Ping Viewer Next extension

[RaulTrombin]

Add Ping Viewer Next extension, based on Alpine and available for 3 targets.

{
    "name": "Ping Viewer Next",
    "website": "https://github.com/bluerobotics/ping-viewer-next",
    "docker": "bluerobotics/blueos-ping-viewer-next",
    "description": "Use PingProtocol devices through webservices."
}