Add Settings Page

[shahdivyank]

• Create the page, sign out, should clear all the session information for the user in the user store and redirect the user to the sign in page
• When the user clicks sign in, it should load the dummy user data we have so far to mimic a sign in
• email and password do not need to be editable at the moment
• currently edit profile also has the same header, try to extract the header out, so that it can be used for both settings and edit profile, header should go under /components/profile (there is another header there, which you can rename)