Add sensor inputs

[ChristopherHaws]

This PR add support for retrieving the sensor input details. This allows you to get info such as button event ID's which is helpful when creating rules for those sensors. Here is an example of a device with inputs:

{
  "1": {
    "state": {
      "buttonevent": 1002,
      "lastupdated": "2020-03-15T16:18:10"
    },
    "swupdate": {
      "state": "noupdates",
      "lastinstall": "2019-10-15T09:42:32"
    },
    "config": {
      "on": true,
      "battery": 80,
      "reachable": true,
      "pending": []
    },
    "name": "Master Bedroom Dimmer Switch",
    "type": "ZLLSwitch",
    "modelid": "RWL020",
    "manufacturername": "Signify Netherlands B.V.",
    "productname": "Hue dimmer switch",
    "diversityid": "73bbabea-3420-499a-9856-46bf437e119b",
    "swversion": "6.1.1.28573",
    "uniqueid": "00:17:88:01:02:1a:a4:73-02-fc00",
    "capabilities": {
      "certified": true,
      "primary": true,
      "inputs": [
        {
          "repeatintervals": [
            800
          ],
          "events": [
            {
              "buttonevent": 1000,
              "eventtype": "initial_press"
            },
            {
              "buttonevent": 1001,
              "eventtype": "repeat"
            },
            {
              "buttonevent": 1002,
              "eventtype": "short_release"
            },
            {
              "buttonevent": 1003,
              "eventtype": "long_release"
            }
          ]
        },
        {
          "repeatintervals": [
            800
          ],
          "events": [
            {
              "buttonevent": 2000,
              "eventtype": "initial_press"
            },
            {
              "buttonevent": 2001,
              "eventtype": "repeat"
            },
            {
              "buttonevent": 2002,
              "eventtype": "short_release"
            },
            {
              "buttonevent": 2003,
              "eventtype": "long_release"
            }
          ]
        },
        {
          "repeatintervals": [
            800
          ],
          "events": [
            {
              "buttonevent": 3000,
              "eventtype": "initial_press"
            },
            {
              "buttonevent": 3001,
              "eventtype": "repeat"
            },
            {
              "buttonevent": 3002,
              "eventtype": "short_release"
            },
            {
              "buttonevent": 3003,
              "eventtype": "long_release"
            }
          ]
        },
        {
          "repeatintervals": [
            800
          ],
          "events": [
            {
              "buttonevent": 4000,
              "eventtype": "initial_press"
            },
            {
              "buttonevent": 4001,
              "eventtype": "repeat"
            },
            {
              "buttonevent": 4002,
              "eventtype": "short_release"
            },
            {
              "buttonevent": 4003,
              "eventtype": "long_release"
            }
          ]
        }
      ]
    }
  }
}

[michielpost]

Thanks a lot for the PR! I'm unable to test this because I don't have any sensors. But the properties are optional, so it probably won't break anything. Can you provide some info what this PR adds?

[ChristopherHaws]

@michielpost I updated the PR with details and an example JSON response from the sensor endpoint. Thanks!

[michielpost]

Thanks, it's included in version 3.15.2 that's now on NuGet