Wish Lists Web App v0.1.0

This release implements a React frontend with data handling in local storage.

The following views are included:

• landing page
• sidebar for navigation
• my wish list
• change display name
• add to my list
• edit an item on my list
• delete an item on my list
• others' wish lists
• more details
• mark an available item on another wish list
• unmark an item I have marked on another wish list

CSS supports desktop browser window width (at least 540px to avoid horizontal scrollbars, ideally 900px).