Add submission # 4992

#4992

Author: ArduinoBot

registry.txt

@@ -7371,3 +7371,4 @@ https://github.com/microbotsio/CodeCell.git|Contributed|CodeCell
 https://github.com/DannyRavi/AD7747.git|Contributed|AD7747
 https://github.com/avandalen/avdweb_CodeDebugScope.git|Contributed|CodeDebugScope
 https://github.com/LeeLeahy2/R4A_ESP32.git|Contributed|R4A_ESP32
+https://github.com/zwieblum/ch32_deep_sleep.git|Contributed|CH32_Deep_Sleep