Merge branch 'uk' into 'master'

Add Ukrainian translation

See merge request !18

config.toml

@@ -32,5 +32,7 @@ theme = "briar-manual"
     languageName = "svenska"
   [languages.tr]
     languageName = "Türkçe"
+  [languages.uk]
+    languageName = "украї́нська мо́ва"
   [languages.zh-hans]
     languageName = "简化字"

i18n/uk.yaml

+translations:
+  other: "Переклади"
+toc:
+  other: "Зміст"
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