Adding loads of icons and starting refactor of weapons and mods

combat/projectiles/_scripts/projectile_base.gd

@@ -0,0 +1,17 @@
+extends Area2D
+class_name ProjectileBaseTwo
+
+var lifetime_timer: Timer
+
+var stats = {
+	"speed": 500.0,
+	"damage": 10.0,
+	"lifetime": 2,
+}
+
+func destroy():
+	emit_signal("on_destroyed", self)
+	queue_free()
+
+func _on_lifetime_timeout():
+	destroy()