Type number form in textField for plugin
Not tested yet.

{{ forms.textField({
        label: 'Number Field',
        id: 'someId',
        name: 'someName',
        value: '',
        min: 0,
        max: 100,
        size: 1,
        type: 'number',
        value: settings['someName']
    })
    }}


I think you can use min and max