User can Login, manage profile, and logout

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• Once a user has registered, they can use their credentials for logging in.
• Once they are logged in, their username will be displayed and an option to log out presented.
• The user can click their username to go to the profile management page where they can change their Name, github username, and manage their SSH keys.
  • While managing their SSH keys; the user will be presented with all their registered keys
  • Users can add new SSH keys and remove existing SSH keys.