Update Ukrainian translation

- Added missing fields
- Mention new translation in docs

exampleSite/content/docs/configuration/index.it.md

@@ -88,6 +88,7 @@ The theme currently supports the following languages by default:
 | Russian                      | `ru`    |
 | Turkish                      | `tr`    |
 | Vietnamese                   | `vi`    |
+| Ukrainian                    | `uk`    |
 | Simplified Chinese (China)   | `zh-cn` |
 | Traditional Chinese (Taiwan) | `zh-tw` |
 

exampleSite/content/docs/welcome/index.md

@@ -26,7 +26,7 @@ A highly requested feature, Blowfish is now multilingual! If you publish your co
 
 <div class="text-2xl text-center" style="font-size: 2.8rem">:gb: :de: :fr: :es: :cn: :brazil: :tr: :bangladesh:</div>
 
-Thanks to submissions from the community, Blowfish has already been translated into [twenty-seven languages](https://github.com/nunocoracao/blowfish/tree/main/i18n) with more to be added over time. By the way, [pull requests](https://github.com/nunocoracao/blowfish/pulls) for new languages are always welcome!
+Thanks to submissions from the community, Blowfish has already been translated into [twenty-eight languages](https://github.com/nunocoracao/blowfish/tree/main/i18n) with more to be added over time. By the way, [pull requests](https://github.com/nunocoracao/blowfish/pulls) for new languages are always welcome!
 
 ## RTL language support