Update repositories.txt (#4242)

fire1 · web-flow · commit 4ac1b246eccc · 2024-03-20T13:08:22.000Z
diff --git a/repositories.txt b/repositories.txt
@@ -6794,3 +6794,4 @@ https://github.com/iwandwip/Kinematrix
 https://github.com/floatplane/Ministache
 https://github.com/dvelaren/ThingworxESP32
 https://github.com/alunit3/ServoESP32
+https://github.com/fire1/CmdSerial
