* request only one inverter per loop (https://github.com/grindylow/ahoy/issues/53#issuecomment-1147042489)
* mqtt loop interval calculated by # of inverters and inverter request interval
* limit maximum number of retries
* added feature request #62 (readable names for channels)
* improved setup page, added javascript to hide / show channel fields
** IMORTANT: memory layout change, all configuration will be lost, except WiFI **
* html / css files are now located inside PROGMEM
* conversion of files is done with python script (OS independent, open source)
* moved as much as possible for now to the hm* modules - the app should only be the body
* successfully tested with HM1200