exclude all static files.
modify gitignore to exclude static files.
modify Celery settings
Merge branch 'master' of https://github.com/SOMA-PainKiller/AUCD_MVP
to adapt Celery settings.
modify gitignore files to include static directory while excluding logo, profile images.

it was necessary to include static files such as css and js for front-end development
Update Celery setting for sending email via Django.
Migrate database sqlite3 to PostgreSQL.