message: fix: heading type fix
diff: import type { ITextProps } from '../Text';
  -type sizes = ['xs', 'sm', 'md', 'lg', 'xl', '2xl', '3xl', '4xl', '5xl'];
  export type IHeadingProps = ITextProps & {
  - size?: sizes | number | string;
  + size?: 'xs' | 'sm' | 'md' | 'lg' | 'xl' | '2xl' | number | string;
  };
  