Adds link to korean translation

i18n/languages.md

@@ -8,9 +8,10 @@
 - [German / Deutsch](/i18n/README.de.md)
 - [Greek / Ελληνικά](/i18n/README.gr.md)
 - [Hindi / हिंदी](/i18n/README.hi.md)
-- [Nepali / नेपाली](/i18n/README.ne.md)
 - [Italiano / Italian](/i18n/README.it.md)
 - [Japanese / 日本語](/i18n/README.jp.md)
+- [Korean / 한국어](/i18n/README.ko.md)
+- [Nepali / नेपाली](/i18n/README.ne.md)
 - [Norwegian (Bokmål) / Norsk (Bokmål)](/i18n/README.nb-no.md)
 - [Persian / فارسی](/i18n/README.fa.md)
 - [Polish / Polski](/i18n/README.pl.md)