Implement support for reading Opal card (Sydney, Australia) (#2683)

* Implement support for reading Opal card (Sydney, Australia)
* stub_parser_verify_read: used UNUSED macro
* furi_hal_rtc: expose calendaring as functions
* opal: use bit-packed struct to parse, rather than manually shifting about
* Update f18 api symbols

Co-authored-by: あく <alleteam@gmail.com>

firmware/targets/f18/api_symbols.csv

@@ -1,5 +1,5 @@
 entry,status,name,type,params
-Version,+,27.0,,
+Version,+,27.1,,
 Header,+,applications/services/bt/bt_service/bt.h,,
 Header,+,applications/services/cli/cli.h,,
 Header,+,applications/services/cli/cli_vcp.h,,
@@ -1048,6 +1048,8 @@ Function,+,furi_hal_rtc_datetime_to_timestamp,uint32_t,FuriHalRtcDateTime*
 Function,-,furi_hal_rtc_deinit_early,void,
 Function,+,furi_hal_rtc_get_boot_mode,FuriHalRtcBootMode,
 Function,+,furi_hal_rtc_get_datetime,void,FuriHalRtcDateTime*
+Function,+,furi_hal_rtc_get_days_per_month,uint8_t,"_Bool, uint8_t"
+Function,+,furi_hal_rtc_get_days_per_year,uint16_t,uint16_t
 Function,+,furi_hal_rtc_get_fault_data,uint32_t,
 Function,+,furi_hal_rtc_get_heap_track_mode,FuriHalRtcHeapTrackMode,
 Function,+,furi_hal_rtc_get_locale_dateformat,FuriHalRtcLocaleDateFormat,
@@ -1060,6 +1062,7 @@ Function,+,furi_hal_rtc_get_timestamp,uint32_t,
 Function,-,furi_hal_rtc_init,void,
 Function,-,furi_hal_rtc_init_early,void,
 Function,+,furi_hal_rtc_is_flag_set,_Bool,FuriHalRtcFlag
+Function,+,furi_hal_rtc_is_leap_year,_Bool,uint16_t
 Function,+,furi_hal_rtc_reset_flag,void,FuriHalRtcFlag
 Function,+,furi_hal_rtc_set_boot_mode,void,FuriHalRtcBootMode
 Function,+,furi_hal_rtc_set_datetime,void,FuriHalRtcDateTime*