Update repositories.txt

Author: abdullahtemel97

repositories.txt

@@ -7,6 +7,7 @@ https://github.com/SibEnergy/RTC_DS1302
 https://github.com/SibEnergy/TelegramMess
 https://github.com/German-source/MicroOS
 https://github.com/twin-science-robotics/hw_twin_aiot_module_arduino_library
+https://github.com/abdullahtemel97/testfirmware
 https://github.com/flashstacks06/SimpleMenu.git
 https://github.com/anaveo/KL1508CW
 https://github.com/gavinlyonsrepo/ERM19264_UC1609_TEXT