pellet spread, bulletholes and balance fixes

weapons/gun/bullet_hole.tscn

@@ -0,0 +1,27 @@
+[gd_scene load_steps=3 format=3 uid="uid://u8aj6fs32ql6"]
+
+[ext_resource type="Texture2D" uid="uid://djb2h4sf42nqq" path="res://textures/bullet_hole.png" id="1_wpexx"]
+
+[sub_resource type="SceneReplicationConfig" id="SceneReplicationConfig_wpexx"]
+properties/0/path = NodePath(".:position")
+properties/0/spawn = true
+properties/0/replication_mode = 1
+properties/1/path = NodePath(".:rotation")
+properties/1/spawn = true
+properties/1/replication_mode = 1
+
+[node name="BulletHole" type="Decal"]
+size = Vector3(0.25, 0.5, 0.25)
+texture_albedo = ExtResource("1_wpexx")
+
+[node name="Timer" type="Timer" parent="."]
+process_mode = 3
+wait_time = 60.0
+one_shot = true
+autostart = true
+ignore_time_scale = true
+
+[node name="MultiplayerSynchronizer" type="MultiplayerSynchronizer" parent="."]
+replication_config = SubResource("SceneReplicationConfig_wpexx")
+
+[connection signal="timeout" from="Timer" to="." method="queue_free"]