add button to homepage

district/forms.py

district/tasks.py

elections/forms.py

elections/models.py

elections/tasks.py

main/blocks.py

main/forms.py

main/migrations/0066_alter_mainhomepage_content.py

main/migrations/0067_alter_mainhomepage_content.py

main/migrations/0068_alter_mainhomepage_content.py

main/models.py

main/tasks.py

shared/forms.py

shared/jekyll_import.py

shared/models/main.py

...ide2/includes/atoms/buttons/round_button_without_url.html

...plates/styleguide2/includes/molecules/menus/carousel.html