bumps up react & react-scripts versions

adds PasswordReset component

binds functions frequently passed in props from App

adds Footer component

renames AuthService to UserService

extracts common form styles

adds toast notifications to remaining components

fixes currentPassword validation & adds toast messages to PasswordDetails

adds react-toastify

removes package-lock.json added by mistake to root directory

implements PasswordDetails component

adds ProfileDetails and basic scaffolding for PasswordDetails

augments NavBar's tests

adds a spinner and displays it on user data fetching

updates readme