InfluxDB 2.0: The "Variables" should has a concrete example [area/api]

[bednar]

The Variables schema is defined as:

Variables:
      type: object
      example:
        variables:
        - id: '1221432'
          name: ":ok:"
          selected:
          - hello
          arguments:
            type: constant
            values:
            - howdy
            - hello
            - hi
            - yo
            - oy
        - id: '1221432'
          name: ":ok:"
          selected:
          - c
          arguments:
            type: map
            values:
              a: fdjaklfdjkldsfjlkjdsa
              b: dfaksjfkljekfajekdljfas
              c: fdjksajfdkfeawfeea
        - id: '1221432'
          name: ":ok:"
          selected:
          - host
          arguments:
            type: query
            query: 'from(bucket: "foo") |> showMeasurements()'
            language: flux
      properties:
        variables:
          type: array
          items:
            $ref: "#/components/schemas/Variable"

I think the better example will be something like:

 Variables:
      type: object
      example:
        variables:
        - id: '1'
          name: ":status:"
          selected:
          - running
          arguments:
            type: constant
            values:
            - created
            - running
            - canceled
            - deleted
        - id: '2'
          name: ":states:"
          selected:
          - FL
          arguments:
            type: map
            values:
              CO: Colorado
              HI: Hawaii
              MO: Missouri
              NJ: New Jersey
              FL: Florida
              ME: Maine
        - id: '3'
          name: ":show_measurements:"
          arguments:
            type: query
            query: 'from(bucket: "foo") |> showMeasurements()'
            language: flux

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