Add submission # 5226

#5226

Author: ArduinoBot

registry.txt

@@ -7490,3 +7490,4 @@ https://github.com/arduino-libraries/Arduino_NiclaSenseEnv.git|Arduino|Arduino_N
 https://github.com/ArtronShop/ArtronShop_HDC302x.git|Contributed|ArtronShop_HDC302x
 https://github.com/ams-OSRAM/OSP_aoapps.git|Contributed|OSP ReusableApps aoapps
 https://github.com/ams-OSRAM/OSP_aotop.git|Contributed|OSP ToplevelSketches aotop
+https://github.com/Shiddieqy/MR76_Radar.git|Contributed|mr76_radar