Add submission # 5811

#5811

Author: ArduinoBot

registry.txt

@@ -7808,3 +7808,4 @@ https://github.com/ESP32Async/ESPAsyncTCP.git|Contributed|ESP Async TCP
 https://github.com/p1ngb4ck/MCP4461.git|Contributed|MCP4461
 https://github.com/RobTillaart/millis64.git|Contributed|millis64
 https://github.com/PervasiveDisplays/Pervasive_BWRY_Small.git|Contributed|Pervasive_BWRY_Small
+https://github.com/vvb333007/espshell.git|Contributed|ESPShell