i18n(bootstrap): Add Croatian support to bootstrap (#3099) #362

Job	Run time
packages_split (starters-bootstrap/academic-cv, theme-academic-cv)	9s
packages_split (starters/resume, theme-resume)	13s
packages_split (starters-bootstrap/markdown-slides, theme-markdown-slides)	7s
packages_split (starters/blog, theme-blog)	10s
packages_split (starters/documentation, theme-documentation)	15s
packages_split (starters-bootstrap/portfolio, theme-portfolio)	9s
packages_split (starters-bootstrap/course, theme-online-course)	20s
packages_split (starters/link-in-bio, theme-link-in-bio)	10s
packages_split (starters-bootstrap/research-group, theme-research-group)	9s
packages_split (starters-bootstrap/second-brain, theme-second-brain)	16s
packages_split (starters/landing-page, theme-landing-page)	13s
	2m 11s

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