feat(component): add button component

[niloysikdar]

This Pull Request covers:

• New component Button
• Stories for newly added component
• Use a tag under the hood
• Props for the component

export interface BaseStyleProp<T extends string> {
  classes?: Partial<Record<T, CSSProperties>>;
  className?: string;
}

type ButtonStyles = 'root' | 'primary' | 'secondary';

export interface ButtonProps extends BaseStyleProp<ButtonStyles> {
  children?: ReactNode;
  variant?: 'primary' | 'secondary';
  href: string;
  target?: HTMLAttributeAnchorTarget;
}

Resolves #40

Signed-off-by: Niloy Sikdar niloysikdar30@gmail.com