sitemap: Add alternate hreflang links when a page is translated (#150, #67)
sitemap: Add alternate hreflang links when a page is translated (#150, #67)


gcushen/hugo-academic,UltraCoderRU/hugo-academic,UltraCoderRU/hugo-academic,gcushen/hugo-academic,gcushen/hugo-academic,gcushen/hugo-academic,ymcrcat/hugo-academic,ymcrcat/hugo-academic