[RF] Proposal fix for issue #2139 + Extra documentation (#2157)

* Refactor announceDeviceTrigger function to improve parameter handling and documentation for optional device information
Fix null pointer references in RFtoMQTTdiscovery and update logging levels for RF signal handling
Refactor RF to MQTT discovery functions for improved clarity and parameter handling

* Update documentation for RF auto discovery and MQTT integration, correcting terminology and enhancing clarity

* Refactor enableRFReceive function to accept parameters for frequency and GPIOs, enhancing flexibility

docs/participate/development.md

@@ -73,3 +73,5 @@ This Developer Certificate Of Origin (DCO) was adopted on June 7, 2021.
 The text of this license is available under the [Creative Commons Attribution-ShareAlike 3.0 Unported License](http://creativecommons.org/licenses/by-sa/3.0/).  It is based on the Linux [Developer Certificate Of Origin](http://elinux.org/Developer_Certificate_Of_Origin).
 
 To accept the DCO it is required to put a x between [ ] on `[ ] I accept the DCO` in the PR template when submitting it. The [ ] is an opt-in box, so you have to manually accept it.
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