Add Basicmicro Library (#7324)

Author: basicmicro

repositories.txt

@@ -1573,6 +1573,7 @@ https://github.com/ayushsharma82/ESP-DASH
 https://github.com/ayushsharma82/ESPConnect
 https://github.com/ayushsharma82/WebSerial
 https://github.com/Azure/azure-sdk-for-c-arduino
+https://github.com/basicmicro/basicmicro_arduino
 https://github.com/BadASszZ/IoTWebConf_for_Visuino_modified_by_IoT_Jedi
 https://github.com/baggio63446333/QZQSM
 https://github.com/baghayi/Nokia_5110