Update repositories.txt (#6857)

Author: littlemanbuilds

repositories.txt

@@ -15,6 +15,7 @@ https://github.com/gavinlyonsrepo/ST7789_LTSM
 https://github.com/PTSolns/BMx280
 https://github.com/Pallob-Gain/packet_device
 https://github.com/gavinlyonsrepo/display16_LTSM
+https://github.com/littlemanbuilds/ESP32_MCPWM
 https://github.com/gavinlyonsrepo/ST7735_LTSM
 https://github.com/anaveo/ParkingSensor
 https://github.com/m5stack/M5SwitchC6-ESP-NOW