WTH isn't there an example of creating a template sensor?

Month of "What the heck?!"
1

I have been trying to figure out how to create a template sensor for quite a while, and the official template documentation never led me to the correct place. When I use the navigation box in the documentation, clicking on “Automation/Templates” takes me to the “Advanced Configuration/Templating” page.

I eventually found a YouTube video that consumed at least 10 minutes of my life before getting to the point.

All I really needed was to find an example like this:

template:
  - sensor: 
    - name: station_temp_in_f
      state: >
        {{ "%.1f"|format((( states("sensor.station_temp") | float ) * 9/5 ) + 32) }}
      unit_of_measurement: '°F'
      state_class: measurement
      device_class: temperature
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