Initial commit for Ukrainian localization (#18569)

* Initial commit for Ukrainian localization

* Fix misspell and crosslink

* Add Nikita Potapenko to PR reviewers

https://github.com/kubernetes/website/pull/18569#issuecomment-573014402

Co-authored-by: Anastasiya Kulyk <56824659+anastyakulyk@users.noreply.github.com>

config.toml

@@ -286,3 +286,14 @@ time_format_blog = "02.01.2006"
 # A list of language codes to look for untranslated content, ordered from left to right.
 language_alternatives = ["en"]
 
+[languages.uk]
+title = "Kubernetes"
+description = "Довершена система оркестрації контейнерів"
+languageName = "Українська"
+weight = 13
+contentDir = "content/uk"
+
+[languages.uk.params]
+time_format_blog = "02.01.2006"
+# A list of language codes to look for untranslated content, ordered from left to right.
+language_alternatives = ["en"]