menu and main nav changes, menu section functionality demonstrations

- created new Beverages menu
- added Bar & Lounge to main nav, linked to that sub-section of the
beverages menu
- created new individual menu item page (tomato-caprese)
- added image, video, and link to individual menu items to demonstrate
desired optional functionality for all individual menu items
- added image, video, and intro copy to menu subsection to demonstrate
desired optional functionality for all menu subsections
- removed “hearty” from lunch description
- reordered menus on main menu page