Lovelace UI - Gauge Card: Add attribute variable

Feature Requests
3

As a workaround, I had to create new sensors from state attributes using platform template and then use them in gauge card, which is not ideal but works.

configuration.yaml:
sensor: !include sensors.yaml

sensors.yaml

- platform: template
  sensors: 
    weather_outside_humidity: 
      friendly_name: 'Outside Humidity' 
      unit_of_measurement: '%'
      value_template: >-
        {{ state_attr('weather.home_assistant_hourly', 'humidity') }}
    weather_outside_temperature: 
      friendly_name: 'Outside Temperature' 
      unit_of_measurement: 'F'
      value_template: >-
        {{ state_attr('weather.home_assistant_hourly', 'temperature') }}
    weather_outside_pressure: 
      friendly_name: 'Outside Pressure' 
      unit_of_measurement: 'inHg'
      value_template: >-
        {{ state_attr('weather.home_assistant_hourly', 'pressure') }}
    weather_outside_wind_speed: 
      friendly_name: 'Outside Wind Speed' 
      unit_of_measurement: 'mph'
      value_template: >-
        {{ state_attr('weather.home_assistant_hourly', 'wind_speed') }}

lovelace (code editor):

type: horizontal-stack
cards:
  - type: gauge
    entity: sensor.weather_outside_temperature
    needle: true
    severity:
      green: 32
      yellow: 85
      red: 100
    max: 150
    name: Temperature
  - type: gauge
    entity: sensor.weather_outside_humidity
    max: 100
    needle: true
    severity:
      green: 30
      yellow: 10
      red: 70
    name: Humidity
  - type: gauge
    entity: sensor.weather_outside_pressure
    needle: true
    min: 28
    max: 32
    severity:
      green: 29.8
      yellow: 30.2
      red: 0
    name: Pressure
  - type: gauge
    entity: sensor.weather_outside_wind_speed
    name: Wind
    needle: true
    severity:
      green: 1
      yellow: 39
      red: 73
    max: 120

Screenshot:
image

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