Add credit

tuna2134 · web-flow · commit 1f1c3c7c8676 · 2024-05-01T09:05:04.000+09:00
diff --git a/README.rst b/README.rst
@@ -7,6 +7,8 @@ voicevox client for python.
 
 Unoffical API wrapper that you can use voicevox easy!
 
+I used discord.py as a reference.
+
 Requirements
 ------------
 
