[README] Add Id (Indonesian) to sem-dom badge (#3219)

README.md

@@ -30,7 +30,7 @@
 [localization-ui-badge]: https://img.shields.io/badge/User%20Interface-Ar%20En%20Es%20Fr%20Pt%20Zh-blue
 [github-actions]: https://github.com/sillsdev/TheCombine/actions
 [localization-sd-badge]:
-  https://img.shields.io/badge/Semantic%20Domains-Ar%20En%20Es%20Fr%20Hi%20Ml%20My%20Pt%20Ru%20Sw%20Zh-blue
+  https://img.shields.io/badge/Semantic%20Domains-Ar%20En%20Es%20Fr%20Hi%20Id%20Ml%20My%20Pt%20Ru%20Sw%20Zh-blue
 [localization-ug-badge]: https://img.shields.io/badge/User%20Guide-En%20Es%20Zh-blue
 [localization-crowdin-combine]: https://crowdin.com/project/the-combine
 [localization-crowdin-flex]: https://crowdin.com/project/fieldworks