sync styleguide changes, run hooks

...migrations/0081_remove_mainarticlepage_region_and_more.py

...ations/0082_mainhomepage_europarl_section_tag_and_more.py

.../migrations/0083_remove_mainprogrampage_perex_and_more.py

main/migrations/0084_alter_mainprogrampage_program.py

...ions/0085_mainarticlesectiontagged_sectiontag_and_more.py

main/migrations/0086_mainarticlepage_section_tags.py

main/migrations/0087_mainhomepage_main_section_tag.py

...igrations/0088_alter_mainhomepage_europarl_section_tag.py

main/models.py

main/static/main/pirati-ui.svg

...tes/main/includes/atoms/containers/container__medium.html

...tes/main/includes/atoms/containers/container__narrow.html

...lates/main/includes/atoms/containers/container__wide.html

main/templates/main/includes/atoms/grids/grids.html

main/templates/main/includes/atoms/text/font_sizes.html

main/templates/main/includes/atoms/text/headings.html

main/templates/main/includes/atoms/text/paragraph.html

main/templates/main/includes/atoms/text/prose.html

...mplates/main/includes/molecules/blocks/message_block.html