[New Integration]: Modbus

[MatrixEditor]

This PR adds support for the Modbus protocol via `pymodbus including a simple client that supports TCP and UDP connections.

conn = Modbus_Connection(unit_id=1)
conn.connect(("192.168.1.50", 502))
values = conn.read_holding_registers(0, count=4)
conn.write_register(0, 1234)
conn.close()

# Modbus/UDP
udp_conn = Modbus_Connection(unit_id=1, transport="udp")
udp_conn.connect(("192.168.1.50", 502))

Client supports read and write operations: