MQTT Featurerequest: One-Time publish of devcontrol Topics

[BernhardLinz]

In User_Manuel.md is the Active Power Limit via MQTT described.
I have just try to help another user to create the correct Topics in MQTT:

topic	payload	active power limit in	Condition
<CHOOSEN_TOPIC_FROM_SETUP>/devcontrol/<INVERTER_ID>/11 OR <CHOOSEN_TOPIC_FROM_SETUP>/devcontrol/<INVERTER_ID>/11/0	[0..65535]	Watt	not persistent
<CHOOSEN_TOPIC_FROM_SETUP>/devcontrol/<INVERTER_ID>/11/256	[0...65535]	Watt	persistent
<CHOOSEN_TOPIC_FROM_SETUP>/devcontrol/<INVERTER_ID>/11/1	[2...100]	%	not persistent
<CHOOSEN_TOPIC_FROM_SETUP>/devcontrol/<INVERTER_ID>/11/257	[2...100]	%	persistent

For Example, Tasmota have also separate Topics for publish (stat, tele) and subscription (cmnd). But the Tamota Firmware is initialize the cmnd Topic with one item cmnd/devicename/POWER

It would be helpfull if ahoy would do the same after establishing the first connection to the MQTT Broker.
First publish the ../devcontrol/0/11/0 to ../devcontrol/0/11/257 and, if configured, ../devcontrol/1/11/0 / ../devcontrol/2/11/0
and then start to subscribe

One Time after each reboot with empty values should be sufficient

Maybe also do the same for DevControlCmdType