docs: update usage with two new scripts

common/speech/lasr_speech_recognition_whisper/doc/USAGE.md

@@ -41,4 +41,16 @@ Several command line configuration options exist, which can be viewed with:
 rosrun lasr_speech_recognition_whisper transcribe_microphone_server --help
 ```
 
+Get tiago to repeat, with TTS the transcribed speech output; he will begin repeating after hearing "tiago, repeat ...." and stop once hearing "tiago, stop..."
+
+```bash
+rosrun lasr_speech_recognition_whisper repeat_after_me.py
+```
+
+To constantly listen and view transcribed speech output in the command line (by constantly sending requests to the actionlib server), run the following script:
+
+```bash
+rosrun lasr_speech_recongition_whisper test_speech_server.py
+```
+