Merge PR #434 - fix leap years

Improves handling of months in the Sensor Watch
by computing whether the given year is a leap year.

Reviewed-by: Matheus Afonso Martins Moreira <matheus@matheusmoreira.com>
GitHub-Pull-Request: https://github.com/joeycastillo/Sensor-Watch/pull/434

diff --cc movement/watch_faces/settings/set_time_hackwatch_face.c
index 166b26e11d1f46647beccf17663c795cf92cfc42,8ba56cba94f1781196a1675f59fd5d3823bcd274..2f4c0341bb5fda96d2bef0c61998c5c6020d0e3d
--- 1/movement/watch_faces/settings/set_time_hackwatch_face.c
--- 2/movement/watch_faces/settings/set_time_hackwatch_face.c
+++ b/movement/watch_faces/settings/set_time_hackwatch_face.c
@@@ -137,7 -135,7 +135,7 @@@ bool set_time_hackwatch_face_loop(movem
              if (current_page != 2) // Do not set time when we are at seconds, it was already set previously
                  watch_rtc_set_date_time(date_time_settings);
              break;
--        
++
          case EVENT_ALARM_LONG_UP://Setting seconds on long release
              switch (current_page) {
                  case 2: // second