Firefighter Alt title for atmos tech + AR icon (#17584)

* Changes jobs.dm, engineering.dm and hud.dmi

* Automatic changelog compile [ci skip]

* Update 2025-04.yml

* fix typo

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Co-authored-by: vorestation-ci[bot] <199609141+vorestation-ci[bot]@users.noreply.github.com>
Co-authored-by: Kashargul <144968721+Kashargul@users.noreply.github.com>

code/__defines/jobs.dm

@@ -210,6 +210,7 @@
 	#define JOB_ALT_ATMOSPHERIC_MAINTAINER "Atmospheric Maintainer"
 	#define JOB_ALT_DISPOSALS_TECHNICIAN "Disposals Technician"
 	#define JOB_ALT_FUEL_TECHNICIAN "Fuel Technician"
+	#define JOB_ALT_FIREFIGHTER "Firefighter"
 //___________________________________________________________
 
 

code/game/jobs/job/engineering.dm

@@ -171,6 +171,10 @@
 /datum/alt_title/atmos_engi
 	title = JOB_ALT_ATMOSPHERIC_ENGINEER
 
+/datum/alt_title/firefighter
+	title = JOB_ALT_FIREFIGHTER
+	title_blurb = "A " + JOB_ALT_FIREFIGHTER + " is an " + JOB_ATMOSPHERIC_TECHNICIAN + " still and can fulfill all the same duties, although specizlizes more in tackling fires."
+
 /datum/alt_title/disposals_tech
 	title = JOB_ALT_DISPOSALS_TECHNICIAN
 	title_blurb = "A " + JOB_ALT_DISPOSALS_TECHNICIAN + " is an " + JOB_ATMOSPHERIC_TECHNICIAN + " still and can fulfill all the same duties, although specializes more in disposals delivery system's operations and configurations."