Reformat templates

templates/base.html

templates/blog/author_media.html

templates/blog/card.html

templates/blog/overview.html

templates/blog/post.html

templates/blog/tag_line.html

templates/footer.html

templates/frontpage/claim.html

templates/frontpage/projects.html

templates/menu.html

templates/menu/gemeinschaft.html

templates/menu/infos.html

templates/menu/projects.html

templates/pages/content.html

templates/project.html

templates/shortcodes/further.html

templates/shortcodes/hero_section.html

templates/shortcodes/photo_section.html

templates/shortcodes/teckids_contact.html

templates/shortcodes/teckids_event.html