feat: add nitrogen dioxide and new datapoints for irradiance and evapotranspiration; update log messages and state handling

Author: H5N1v2

README.md

@@ -77,6 +77,14 @@ The adapter provides dynamic icon paths that can be used directly in visualizati
 After a new adapter update, it is recommended to delete the entire directory tree and let it be recreated.
 
 ## Change Log
+### **WORK IN PROGRESS**
+* (H5N1v2) Nitrogen dioxide (NO2) datapoint added to the air quality data, user request.
+* (H5N1v2) Added new datapoints for "global_tilted_irradiance" & "et0_fao_evapotranspiration" in hourlyX and "et0_fao_evapotranspiration_sum" in dailyX.
+* (H5N1v2) Some Log-messages translated in main.ts
+* (H5N1v2) Corrected setStateAsync to setState in main.ts
+* (H5N1v2) fix: update forecast hours handling.
+* (H5N1v2) Added an info folder with a last_update data point to check when the last update was performed. 
+
 ### 2.2.4 (2026-02-06)
 * (H5N1v2) fix: update snow depth unit from cm to m in metric unit map
 * (H5N1v2) add: precipitation in hourly & precipitation_sum (snow,rain,showers) in daily.