Align Menu and Divider components to use the type property values as boolean

[alinais]

Feature Request

Problem description

Align Menu and Divider components to use the type property values as boolean.

Proposed solution

Check the Button update, where primary and secondary become boolean props while the type remains as a reserved prop.

[layershifter]

We have already PR for Divider: #327

[layershifter]

Picking this.

[levithomason]

#327 was closed since primary/secondary doesn't make sense in the context of a Divider. Instead, they will have colors. See #451 for the color palette and divider color work.