mls (v4.1) (#1357)

## Description:

mls for v24
Version identifier within MLS: v4.1

## Please complete the following:

- [x] I have added screenshots for all UI updates
- [x] I process any text displayed to the user through translateText()
and I've added it to the en.json file
- [x] I have added relevant tests to the test directory
- [x] I confirm I have thoroughly tested these changes and take full
responsibility for any bugs introduced
- [x] I understand that submitting code with bugs that could have been
caught through manual testing blocks releases and new features for all
contributors

src/client/LangSelector.ts

@@ -17,6 +17,7 @@ import he from "../../resources/lang/he.json";
 import hi from "../../resources/lang/hi.json";
 import it from "../../resources/lang/it.json";
 import ja from "../../resources/lang/ja.json";
+import ko from "../../resources/lang/ko.json";
 import nl from "../../resources/lang/nl.json";
 import pl from "../../resources/lang/pl.json";
 import pt_br from "../../resources/lang/pt_br.json";
@@ -65,6 +66,7 @@ export class LangSelector extends LitElement {
     fi,
     sv_se,
     zh_cn,
+    ko,
   };
 
   createRenderRoot() {