add Learn Finnish - Dual Subtitles for Finnish Streaming

Author: anhtumai

README.md

@@ -50,6 +50,10 @@ _Projects that help get translations done easier using the DeepL API._
 - [subtitle-extractor](https://github.com/sevengivings/subtitle-extractor) - Extract text from video or audio and translate it 
 - [tia-portal-translator](https://github.com/kurcontko/tia-portal-translator) - Translate TIA Portal texts
 - [TrippleLangBuilder](https://github.com/infiniteAppsUG/tripleLangBuilder) - Generate .arb-files in English, German and Spanish (Flutter)
+
+### Dual Sub applications
+
+- [finnish-streaming-dual-sub](https://chromewebstore.google.com/detail/learn-finnish-dual-subtit/olmapcjpickcoabnjleheppoignffpdd) - A Chrome extension displays both Finnish and target language subtitles on Finnish Streaming Platforms (YLE Areena, Ruutu), for language immersion purpose. Users need to bring their own DeepL key.
 
 ### Other
 _Anything thats not a client library or SDK._