* fix ethernet save inverter parameters #886
* fix ethernet OTA update #886
* improved radio statistics, fixed heuristic output for HMS and HMT inverters
* fix prometheus builds
* fix ESP32 default pinout #1159
* added `opendtufusion-dev` because of anoying `-DARDUINO_USB_CDC_ON_BOOT=1` flag
* fix display of current power on `index`
* fix OTA, was damaged by version `0.7.51`, need to use webinstaller (from `0.7.51` to `0.7.54`)
* added active power control in `W` to live view #201, #673
* updated docu, active power control related #706
* added current AC-Power to `index` page and removed version #763
* improved statistic data, moved to entire struct
* removed `/api/statistics` endpoint from REST-API
* added default pins for opendtu-fusion-v1 board
* fixed hw version display in `live`
* removed development builds, renamed environments in `platform.ini`
* merge PR #1056, visualization html
* update MqTT library to 1.4.4
* update RF24 library to 1.4.7
* update ArduinoJson library to 6.21.3
* set minimum invervall for `/live` to 5 seconds
improved saving settings of display #747, #746
disabled contrast for Nokia display #746
added Prometheus as compile option #719, #615
update MQTT lib to v1.4.1
limit decimal places to 2 in `live`
added `-DPIO_FRAMEWORK_ARDUINO_MMU_CACHE16_IRAM48` to esp8266 debug build #657
a `max-module-power` of `0` disables channel in live view `setup`
reenabled FlashStringHelper because of lacking RAM
complete rewrite of monochrome display class, thx to @dAjaY85 -> displays are now configurable in setup