Add fire alarm support and update firmware version to 1.0.19

- Introduced CONN_ERR_FIRE_ALARM to handle fire alarm conditions in charger control.
- Added CMD_FIRE_ALARM command for external trigger handling in serial control.
- Updated firmware version from 1.0.17 to 1.0.19.
- Integrated fire alarm functionality into the charging loop and command handler.

Core/Src/charger_control.c

@@ -2,6 +2,7 @@
 
 #include "charger_config.h"
 #include "debug.h"
+#include "fire_alarm.h"
 #include "psu_control.h"
 
 ChargingConnector_t CONN;
@@ -22,7 +23,9 @@ void CONN_Loop(){
 		CONN.connControl = CMD_NONE;
 	}
 
-	if(PSU0.cont_fault){
+	if (FireAlarm_IsLatched()) {
+		CONN.chargingError = CONN_ERR_FIRE_ALARM;
+	} else if(PSU0.cont_fault){
 		CONN.chargingError = CONN_ERR_CONTACTOR;
 	} else if(PSU0.psu_fault){
 		CONN.chargingError = CONN_ERR_PSU_FAULT;