Update repositories.txt (#6668)

Zefek · web-flow · commit a00800e84829 · 2025-07-29T07:24:33.000Z
diff --git a/repositories.txt b/repositories.txt
@@ -8279,3 +8279,4 @@ https://github.com/ConsentiumIoT/EdgeSense
 https://github.com/AntonioPrevitali/ApJSY163T
 https://github.com/MicrochipTech/RNWF02_WIFI_ARDUINO_LIBRARY
 https://github.com/m5stack/M5Unit-Step16
+https://github.com/Zefek/MQTTESP8266
