confirmation with URL

[Fraborak]

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Description

with telegram and pushbullet, it can be usefull to have a generic confirmation like a http (post or other) to send message on a service (push, ifttt ...)

like that : confirmations: send-url: url: 'http://domain.com/path/to/webhook' method: post content-type: json body: '{"key": "yhythhbhbgbF1", "msg": "button pushed"}'