Added Croatian translation (hr.yaml) (#1044)

.gitignore

.gitmodules

LICENSE

README.md

config.toml

content/en/_index.md

content/en/about/index.md

content/en/contact.md

content/en/post/_index.md

content/en/post/chapter-1.md

content/en/post/chapter-2.md

content/en/post/chapter-3.md

content/en/post/chapter-4.md

content/en/post/chapter-5.md

content/en/post/chapter-6.md

content/fr/_index.md

content/fr/contact.md

content/fr/post/_index.md

content/fr/post/chapter-1.md

fachschaft/content/FSR/sitzungen/21-10-2022.md