New Crowdin translations - uk (#24949)

Co-authored-by: Crowdin Bot <support+bot@crowdin.com>

docs/uk/contribute/docs.md

@@ -181,11 +181,19 @@ Within the repository you created above:
 5. Open previewed pages in your local editor:
 
   First specify a local text editor file using the `EDITOR` environment variable, before calling `yarn start` to preview the library.
-  For example, on Windows command line you can enable VSCode as your default editor by entering:
+  For example, you can enable VSCode as your default editor by entering:
 
-  ```sh
-  set EDITOR=code
-  ```
+  - Windows:
+
+    ```sh
+    set EDITOR=code
+    ```
+
+  - Linux:
+
+    ```sh
+    export EDITOR=code
+    ```
 
   The **Open in your editor** link at the bottom of each page will then open the current page in the editor (this replaces the _Open in GitHub_ link).