Made particles emit from resource

data/buildings/basic/harvester/harvester_particles.tscn

@@ -0,0 +1,12 @@
+[gd_scene load_steps=2 format=3 uid="uid://73dsjfc4imfo"]
+
+[ext_resource type="Script" path="res://data/buildings/basic/harvester/harvester_particles.gd" id="1_td5fv"]
+
+[node name="HarvesterParticles" type="Node2D"]
+script = ExtResource("1_td5fv")
+
+[node name="ParticlesTimer" type="Timer" parent="."]
+wait_time = 0.5
+autostart = true
+
+[connection signal="timeout" from="ParticlesTimer" to="." method="_on_particles_timer_timeout"]