USER STORY: View and edit account details

[ShieldsJohn]

As a seller I can view and edit my account so that I can keep my information up-to-date.

Acceptance Criteria:

• As a seller, I can easily access my account information upon log-in.
• As a seller, I can easily edit my account information and save the changes.

Dev Tasks:

• [x] Create a 'My Account' button which takes the seller to their account.
• [x] Create a page that displays the seller account information and provides an edit button.
• [x] Create a form for the seller to update their information.
• [x] Provide a confirmation message upon submission of updated seller information.
• [x] Return seller to home page.