message: Fix index file
diff: @@ -197,6 +197,10 @@ declare module '@primer/components' {
  export const CounterLabel: React.FunctionComponent<CounterLabelProps>
  + export interface FormGroupProps extends CommonProps, Omit<React.HTMLAttributes<HTMLDivElement>, 'color'> {}
  +
  + export const FormGroup: React.FunctionComponent<FormGroupProps>
  +
  export interface GridProps extends BoxProps, StyledSystem.GridProps {}
  export const Grid: React.FunctionComponent<GridProps>
  @@ -731,3 +735,8 @@ declare module '@primer/components/lib/Breadcrumbs' {
  import {Breadcrumb} from '@primer/components'
  export default Breadcrumb
  }
  +
  +declare module '@primer/components/lib/FormGroup' {
  + import {FormGroup} from '@primer/components'
  + export default FormGroup
  +}
  