Add AI usage disclaimer and note on upcoming voices to README

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

README.md

@@ -17,6 +17,11 @@ Each voice consists of two files that must stay together:
 - `*.onnx` — the trained model weights
 - `*.onnx.json` — the voice configuration (phoneme map, sample rate, inference settings)
 
+## More voices coming
+
+This is an ongoing collection — additional Piper voices will be added over
+time. Star or watch the repository to be notified as new voices land.
+
 ## Installation (Home Assistant)
 
 These voices work with the **Piper** add-on / [wyoming-piper](https://github.com/rhasspy/wyoming-piper).
@@ -51,6 +56,13 @@ echo "Hello from Home Assistant." | \
   piper --model en_us-cathy-medium.onnx --output_file sample.wav
 ```
 
+## AI usage disclaimer
+
+[Claude](https://www.anthropic.com/claude) (by Anthropic) is used in this
+repository for **repository management and documentation** — tasks such as
+setting up the git repo, writing and maintaining this README, and organizing
+files. The Piper voice models themselves are not generated by Claude.
+
 ## License
 
 The licensing of a trained Piper voice depends on the dataset it was trained