Add a mail account registering form.
Use Django template inheritance header and footer are factorized.
Add a django form for the login and made some cosmetic changes.
Move the Plaid services in the base template.
Add mailing account class and branching in register. Handle the form POST request.
Add a Python3 submodule to communicate with the mailing server and transform then store these in the database.
Fix typos in mail form.
Call neemi-mail subprocess with params.
Cleaning unused files.