MockFlow update: New navigation components

Bars

Today's update brings in a set of new navigation components to MockFlow. All these components can be styled and linked to multiple pages.

Wedge Bar: A horizontal array of buttons which are shaped like a trapezium. Commonly found in software like Chrome browser

Tab Bar: Provides a set of curved buttons

Horizontal Button Bar: This component already existed in mockflow library, but now the bar can be rounded.

Vertical Button Bar: A vertical layout of a button bar.