Add voice input option to README.md (#1286)

Author: jm355

README.md

@@ -100,7 +100,7 @@ This project is a follow-up to the now unmaintained (and closed-source) [MessagE
 - **Swipe right** to change keyboard position.
 - **Swipe down** to access IME switcher (switch between Thumb-key and other keyboards).
 - **Swipe left** to cycle between selected layouts (languages).
-- **Swipe to bottom-left** to toggle voice input. Requires [FUTO Voice Input](https://play.google.com/store/apps/details?id=org.futo.voiceinput) or [Transcribro](https://github.com/soupslurpr/Transcribro).
+- **Swipe to bottom-left** to toggle voice input. Requires [FUTO Voice Input](https://play.google.com/store/apps/details?id=org.futo.voiceinput), [Transcribro](https://github.com/soupslurpr/Transcribro), or [Whisper IME](https://github.com/woheller69/whisperIME).
 
 ### Symbols / Letters Key