#3590 Validate uploaded OTA update file before installing it

#3583 Remove HTML directory on update

#3590 Consolidated the reboot and save buttons -> The reboot button ois not part of the notification corrected enable/disable texts on the configuration page to make it more intuitive

#3520 Rewrite InfluxDB Interface

#3500 Update smart-LED driver

#3423 Removed Autostart parameter and make the flow to be always enabled

#3423 Enable Flow start menu entry in UI

#3332 Updated the Homeassistant Discovery topics :

• raw has now set the State Class to measurement. Before it was always set to "".
• value has now only set the State Class to total_increasing if the parameter Allow Negative Rates is not set. Else it uses measurement since the rate could also be negative. Before it was always set to total_increasing.
• The rate_per_time_unit topic of an Energy meter needs a Device Class=power. For gas and water it should be volume_flow_rate. Before it was always set to "".
• #3415 Added button for flow start
• #3359 Added support for Domoticz MQTT integration
• Added Date and time to overview page
• Updated submodules and models

#3316 Update esp32-camera submodule to v2.0.13

#3317 Added contributor list

#3315 Added files for demo mode

Renamed MQTT topic from rate_per_digitalization_round to rate_per_digitization_round

Updated parameter documentation pages

#3291 Rename/remove unused parameters

#3288 Migrate-cam-parameters

#3063 Add support for OV5640 camera

New tflite-Models

#3088 Homeassistant service discovery: derive node_id when using nested topics

#3081 Added Prometheus/OpenMetrics exporter

#3148, #3163, #3174, #3163, #3174 Added Webhook

#3195 Add rate threshold parameter

#3068 Added a Delay between the WiFi reconnections

Web UI improvements

Various minor changes

Update platformIO to 6.9.0 (Contains ESP IDF 5.3.1)