uk-UA: Add as maintained language and track on issues

Author: tupaschoal

.github/ISSUE_TEMPLATE/changed_field_template.md

@@ -34,6 +34,7 @@ Updated in:
 - [ ] pt-BR
 - [ ] sv-SE
 - [ ] tr-TR
+- [ ] uk-UA
 - [ ] zh-CN
 - [ ] zh-TW
 

.github/ISSUE_TEMPLATE/new_and_changed_field_template.md

@@ -40,6 +40,7 @@ Updated in:
 - [ ] pt-BR
 - [ ] sv-SE
 - [ ] tr-TR
+- [ ] uk-UA
 - [ ] zh-CN
 - [ ] zh-TW
 

.github/ISSUE_TEMPLATE/new_field_template.md

@@ -34,6 +34,7 @@ Updated in:
 - [ ] pt-BR
 - [ ] sv-SE
 - [ ] tr-TR
+- [ ] uk-UA
 - [ ] zh-CN
 - [ ] zh-TW
 

README.md

@@ -58,6 +58,7 @@ To do this, go to the directory where OpenRCT2 resides (not to be confused with
 | [![](https://img.shields.io/badge/nl--NL-maintained-green.svg)](https://github.com/OpenRCT2/Localisation/blob/master/data/language/nl-NL.txt) | [Gymnasiast](https://github.com/Gymnasiast )      |
 | [![](https://img.shields.io/badge/pl--PL-maintained-green.svg)](https://github.com/OpenRCT2/Localisation/blob/master/data/language/pl-PL.txt) | [marcinkunert](https://github.com/marcinkunert) |
 | [![](https://img.shields.io/badge/pt--BR-maintained-green.svg)](https://github.com/OpenRCT2/Localisation/blob/master/data/language/pt-BR.txt) | [Tupaschoal](https://github.com/Tupaschoal)      |
+| [![](https://img.shields.io/badge/uk--UA-maintained-green.svg)](https://github.com/OpenRCT2/Localisation/blob/master/data/language/uk-UA.txt) |       |
 | [![](https://img.shields.io/badge/zh--CN-maintained-green.svg)](https://github.com/OpenRCT2/Localisation/blob/master/data/language/zh-CN.txt) | [LPR-Michael](https://github.com/LPR-Michael) |
 | [![](https://img.shields.io/badge/zh--TW-maintained-green.svg)](https://github.com/OpenRCT2/Localisation/blob/master/data/language/zh-TW.txt) | [daihakken](https://github.com/daihakken)         |
 | Not maintained <!-- Languages that are outdated with strings missing from OpenRCT2/vanilla--> ||