talk-llama : add discussion link

Author: ggerganov

examples/talk-llama/README.md

@@ -30,3 +30,7 @@ make talk-llama
 For best experience, this example needs a TTS tool to convert the generated text responses to voice.
 You can use any TTS engine that you would like - simply edit the [speak.sh](speak.sh) script to your needs.
 By default, it is configured to use MacOS's `say`, but you can use whatever you wish.
+
+## Discussion
+
+If you have any feedback, please let "us" know in the following discussion: https://github.com/ggerganov/whisper.cpp/discussions/672?converting=1