message: feat(button): add story to circle shape
diff: @@ -2,7 +2,7 @@ import { Meta, Story, Description, Preview, Props } from '@storybook/addon-docs/
  import { withKnobs } from '@storybook/addon-knobs'
  import { withA11y } from '@storybook/addon-a11y'
  -import { knobButtonLoading } from '@venice/core/storybook/knobs'
  +import { knobButtonLoading, knobButtonSizes } from '@venice/core/storybook/knobs'
  import Docs from '@venice/core/docs/Button.md'
  import Button from './Button'
  @@ -119,6 +119,53 @@ import Button from './Button'
  </Story>
  </Preview>
  +## Circle buttons
  +
  +<Preview>
  + <Story name="Circle" parameters={{ decorators: [withKnobs,withA11y] }}>
  + <div>
  + <div class="row-items">
  + <Button isLoading={knobButtonLoading()} size={knobButtonSizes()} shape="circle">
  + @
  + </Button>
  + <Button isLoading={knobButtonLoading()} color="primary" size={knobButtonSizes()} shape="circle">
  + @
  + </Button>
  + <Button isLoading={knobButtonLoading()} color="secondary" size={knobButtonSizes()} shape="circle">
  + @
  + </Button>
  + <Button isLoading={knobButtonLoading()} size={knobButtonSizes()} shape="circle" disabled>
  + @
  + </Button>
  + </div>
  + <div class="row-items">
  + <Button isLoading={knobButtonLoading()} size={knobButtonSizes()} shape="circle" variant="outlined">@</Button>
  + <Button isLoading={knobButtonLoading()} color="primary" variant="outlined" size={knobButtonSizes()} shape="circle">
  + @
  + </Button>
  + <Button isLoading={knobButtonLoading()} color="secondary" variant="outlined" size={knobButtonSizes()} shape="circle">
  + @
  + </Button>
  + <Button isLoading={knobButtonLoading()} size={knobButtonSizes()} shape="circle" variant="outlined" disabled>
  + @
  + </Button>
  + </div>
  + <div class="row-items">
  + <Button isLoading={knobButtonLoading()} size={knobButtonSizes()} shape="circle" variant="text">@</Button>
  + <Button isLoading={knobButtonLoading()} color="primary" variant="text" size={knobButtonSizes()} shape="circle">
  + @
  + </Button>
  + <Button isLoading={knobButtonLoading()} color="secondary" variant="text" size={knobButtonSizes()} shape="circle">
  + @
  + </Button>
  + <Button isLoading={knobButtonLoading()} size={knobButtonSizes()} shape="circle" variant="text" disabled>
  + @
  + </Button>
  + </div>
  + </div>
  + </Story>
  +</Preview>
  +
  ## Loading state
  <Preview>
  