Functionality: Create a localStorage Hook that Removes an Item or Clears localStorage Entirely

[larkinds]

Overview:
When a customer is using the website, we want to make sure that changes to their selection or account are properly tracked by the browser. This issue depends on #43 for determining how items are named when put into localStorage.

Action Items:

• The hook deletes any previously set value in localStorage when requested
• The hook updates the Context
• The hook clears localStorage for all iceCreams on checkout
• The hook uses JSON.stringify() and JSON.parse() to convert data to & from a string (since localStorage only supports strings)
• The hook follows the [Rules of Hooks], and follows the naming convention for hooks

Resources:

• MDN’s [localStorage] Documentation
• MDN’s [Storage] Documentation
• Legacy and Current Documentation for Hooks