Sonde + map (#2879)

* Update geomap view position on GPS data reception

* Refactor timestamp and temperature/humidity display formatting in SondeView

* Implement battery voltage reading for Meteomodem M20

* Enhance GPS data validation and update OSM zoom handling

- Introduced a new method to validate GPS data in the Packet structure.
- Updated the SondeView to use the new GPS validation method.
- Modified GeoMap to improve handling of OSM zoom levels and ensure consistent usage of real zoom values.
- Adjusted battery voltage calculation for Meteomodem M20 to ensure correct scaling.

* Add serial number extraction for Meteomodem M20 support

* Add support for Meteomodem M20 temperature and humidity readings

* Update log file naming to include timestamp in SondeView

* Add pressure reading support for Meteomodem M20 and update UI

* Update SondeView UI layout and enhance Meteomodem M20 packet handling

* Add vertical speed calculation and display to SondeView

* Fix set_fsk function parameter type for samplesPerSymbol

firmware/application/rtc_time.hpp

@@ -56,6 +56,9 @@ bool leap_year(uint16_t year);
 uint16_t day_of_year(uint16_t year, uint8_t month, uint8_t day);
 uint16_t day_of_year_of_nth_weekday(uint16_t year, uint8_t month, uint8_t n, uint8_t weekday);
 
+bool isLeap(int year);
+time_t rtcToUnixUTC(const rtc::RTC& rtc);
+
 } /* namespace rtc_time */
 
 #endif /*__RTC_TIME_H__*/