Make templates for email confirmation

[adwait-thattey]

Make templates (along with navbars) after signup to show messeges like "Please confirm your email to complete registration" or "Your email has been confirmed" etc. Currently they are only httpresponses
Use this template
https://github.com/adwait-thattey/ase1_prj/blob/master/registration/templates/registration/password_reset_done.html