move ui to mods

scenes/ui/inventory_panel.tscn

@@ -0,0 +1,13 @@
+[gd_scene format=3]
+
+[ext_resource type="Script" path="res://Core/UI/Inventory/InventoryPanelBehaviour.cs" id="1_script"]
+
+[node name="InventoryPanel" type="Control"]
+layout_mode = 3
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+mouse_filter = 1
+script = ExtResource("1_script")