revise README.md

Author: elehobica

README.md

@@ -232,4 +232,4 @@ GP26 also needs to be pulled-up by 2.2Kohm from GP21. See schematic for detail.
 * In addition to existing contents, Hi-Res WAV contents can be generated by [pico_spdif_recorder](https://github.com/elehobica/pico_spdif_recorder).
 
 ## For more detail about internal code structure
-* See [DeepWiki](https://deepwiki.com/elehobica/RPi_Pico_WAV_Player)
+* See [DeepWiki](https://deepwiki.com/elehobica/RPi_Pico_WAV_Player) (powered by [Devin](https://app.devin.ai/invite/WFPByHrQP7TwsUuq))