Create the mailchimp newsletter form

opentech/public/mailchimp/__init__.py

opentech/public/mailchimp/apps.py

opentech/public/mailchimp/forms.py

opentech/public/mailchimp/migrations/__init__.py

opentech/public/mailchimp/models.py

...blic/mailchimp/templates/mailchimp/newsletter_signup.html

opentech/public/mailchimp/tests.py

opentech/public/mailchimp/urls.py

opentech/public/mailchimp/views.py

opentech/public/urls.py

opentech/public/utils/context_processors.py

opentech/settings/base.py

opentech/static_src/src/sass/public/components/_form.scss

...tech/static_src/src/sass/public/components/_messages.scss

opentech/static_src/src/sass/public/layout/_footer.scss

opentech/static_src/src/sass/public/main.scss

opentech/templates/base.html

requirements.txt