conforms file names to consistant standard

scripts/health.gd

@@ -0,0 +1,23 @@
+class_name Health
+extends Node
+
+signal health_depleted
+signal health_changed(health: int)
+
+@export var max_health: int = 10
+
+var current_health: int
+
+
+func take_damage(damage: int) -> void:
+	current_health -= damage
+	health_changed.emit(current_health)
+	if current_health <= 0:
+		health_depleted.emit()
+
+
+func heal_damage(healing: int) -> void:
+	current_health += healing
+	if current_health > max_health:
+		current_health = max_health
+	health_changed.emit(current_health)