M5-T03: add Modbus TCP driver, YAML profile framework, sdm120, modbus_cli

requirements.txt

@@ -59,6 +59,8 @@ pydantic-core==2.46.2
     # via pydantic
 pydantic-settings==2.13.1
     # via -r requirements.in
+pymodbus==3.13.1
+    # via -r requirements.in
 pyotp==2.10.0
     # via -r requirements.in
 python-dotenv==1.2.2