* add another HM-600 hardware serial number #1169
* merge PR #1170
* reduce last_success MQTT messages (#1124)
* add re-request if inverter is known to be online and first try fails
* add alarm reporting to MI (might need review!)
* rebuild MI limiting code closer to DTUSimMI example
* round APC in `W` to an integer #1171
* 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
* moved MqTT info to `system`
* added CMT info for ESP32 devices
* improved CMT settings, now `SCLK` and `SDIO` are configurable #1046, #1150
* changed `Power-Limit` in live-view to `Active Power Control`
* increase length of update file selector #1132
* improved RSSI for NRF24, now it's read per package (and inverter) #1129
* arranged `heap` related info together in `/system`
* fix display navi during save
* clean up binary output, separated to folders
* added default pins for opendtu-fusion-v1 board
* fixed hw version display in `live`
* removed development builds, renamed environments in `platform.ini`
* fixed docu #1085
* changed active power limit MqTT messages to QOS2 #1072
* improved alarm messages, added alarm-id to log #1089
* trigger power limit read on next day (if inverter was offline meanwhile)
* disabled improv implementation to check if it is related to 'Schwuppdizitaet'
* changed live view to gray once inverter isn't available
* added inverter status to API
* changed sum of totals on WebGui depending on inverter status #1084
* merge maximum power (AC and DC) from PR #1080
* 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
* next attempt to fix yield day for multiple inverters #1016
* fix export settings date #1040
* fix time on WebUI (timezone was not observed) #913#1016
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`
reduced maximum allowed JSON size for API to 6000Bytes #660
small fix: output command at `prepareDevInformCmd` #692
improved inverter handling for MQTT #671
added part of mac address to MQTT client ID to seperate multiple ESPs in same network
added dictionary for MQTT to reduce heap-fragmentation
removed `last Alarm` from Live view, because it showed always the same alarm - will change in future
added icons to index.html, added wifi-strength symbol on each page
moved packet stats and sun to system.html
refactored communication offset (adjustable in minutes now)