rest-api-quiz-ua translated + readme.md links updated (#7084)

Author: astropsy999

Diff for: README.md

@@ -139,7 +139,7 @@
 | [QuickBooks](quickbooks/quickbooks-quiz.md)                                                       | ❗needs updating |                                                                                                                                                                                                                                                                                  | 67        | 40      |                                                                                                                                                                       |
 | [R](r/r-quiz.md)                                                                                  |                  |                                                                                                                                                                                                                                                                                  | 65        | 65      | [@gregglind](https://github.com/gregglind)                                                                                                                            |
 | [React.js](reactjs/reactjs-quiz.md)                                                               |                  | [<img src="assets/es.svg" width="22">](reactjs/reactjs-quiz-es.md) [<img src="assets/ua.svg" width="22">](reactjs/reactjs-quiz-ua.md)                                                                                                                                            | 140       | 140     | [@RobTables](https://github.com/RobTables) [@bandinopla](https://github.com/bandinopla)                                                                               |
-| [REST API](rest-api/rest-api-quiz.md)                                                             |                  |                                                                                                                                                                                                                                                                                  | 72        | 72      |                                                                                                                                                                       |
+| [REST API](rest-api/rest-api-quiz.md)                                                             |                  |[<img src="assets/ua.svg" width="22">](rest-api/rest-api-quiz-ua.md)                                                                                                                                                                                                                                                                                  | 72        | 72      |                                                                                                                                                                       |
 | [Revit](revit/revit-quiz.md)                                                                      | ❗needs updating |                                                                                                                                                                                                                                                                                  | 29        | 29      |                                                                                                                                                                       |
 | [Ruby on Rails](ruby-on-rails/ruby-on-rails-quiz.md)                                              |                  |                                                                                                                                                                                                                                                                                  | 77        | 77      | [@gudata](https://github.com/gudata)                                                                                                                                  |
 | [Rust](rust/rust-quiz.md)                                                                         |                  |                                                                                                                                                                                                                                                                                  | 65        | 65      | [@BobbyByrne](https://github.com/BobbyByrne) [@Emanuele-em](https://github.com/emanuele-em)                                                                           |