conforms file names to consistant standard

projectiles/fireball/scr_fireball.gd

@@ -0,0 +1,8 @@
+class_name FireballProjectile
+extends StatusApplyingProjectile
+
+
+func build_status_object() -> StatusEffect:
+	var status: StatusDoT = StatusDoT.new()
+	status.stats = status_stats
+	return status