Label for message when no movies in Wishlist

Added aria-labelledby to group together the text and link that's shown when there are no movies yet in the Wishlist

MovieToolbarButton added

Created a new component MovieToolbarButton
Added an aria-label to the button
Refactored the functions that create the action toolbars to use the new component

Header button labels

Added an aria-label for the navigation buttons in the Header so they are now more clear to screen readers

Login Page labels fixed

Fixed the labeling of the login form input fields and added an aria-describbedby for the Password field
Created a FormInput component for reusable accessible form inputs and refactored the Login form to use i

Header button text update

Changed Header navigation buttons to have cooler text:
Changed "Add" to "+" and "Back" to "< Back".

Heading Levels

Fixed remaining issues with consecutive and contiguous heading levels

Refactored to use new Header component

Updated MovieBrowser and MovieWishlist to use the new Header component

Header component

Added Header component for reuse of

on MovieBrowser and MovieWishlist

Major Landmark Regions Added

and tags added

a11y Inspection Tools Added

Added eslint-plugin-jsx-a11y and react-a11y to lint and check for common accessibility findings. NOTE: findings have not been fixed in this version.