Move files and folders to new repo format to enable multi-project format

Zennysoft.Game.Ma/addons/SimpleDungeons/sample_dungeons/terrarium/stair.tscn

@@ -0,0 +1,40 @@
+[gd_scene load_steps=5 format=3 uid="uid://cdffbslc7qhgi"]
+
+[ext_resource type="Script" path="res://addons/SimpleDungeons/DungeonRoom3D.gd" id="1_13awt"]
+[ext_resource type="Texture2D" uid="uid://i7rtr0ewxm5j" path="res://addons/SimpleDungeons/sample_assets/blue-checkerboard-cc0.png" id="2_tjfvs"]
+[ext_resource type="PackedScene" uid="uid://bak8ltrhbmlv5" path="res://addons/SimpleDungeons/utils/CSGStairMaker3D.tscn" id="3_ldwg4"]
+
+[sub_resource type="StandardMaterial3D" id="StandardMaterial3D_wrp25"]
+albedo_texture = ExtResource("2_tjfvs")
+
+[node name="Stair" type="Node3D"]
+script = ExtResource("1_13awt")
+size_in_voxels = Vector3i(2, 2, 1)
+max_count = 50
+is_stair_room = true
+
+[node name="CSGBox3D" type="CSGBox3D" parent="."]
+transform = Transform3D(-1, 0, -8.74228e-08, 0, 1, 0, 8.74228e-08, 0, -1, 0, 0, 0)
+material_override = SubResource("StandardMaterial3D_wrp25")
+use_collision = true
+size = Vector3(20, 20, 10)
+
+[node name="CSGBox3D2" type="CSGBox3D" parent="CSGBox3D"]
+operation = 2
+size = Vector3(19.5, 19.5, 9.5)
+
+[node name="DOOR?_R_CUT" type="CSGBox3D" parent="CSGBox3D"]
+transform = Transform3D(-4.37114e-08, 0, -1, 0, 1, 0, 1, 0, -4.37114e-08, 9.8, -7.75, 0)
+operation = 2
+size = Vector3(2, 4, 1)
+
+[node name="DOOR?_L_CUT" type="CSGBox3D" parent="CSGBox3D"]
+transform = Transform3D(-4.37114e-08, 0, -1, 0, 1, 0, 1, 0, -4.37114e-08, -9.9, 2.25, 0)
+operation = 2
+size = Vector3(2, 4, 1)
+
+[node name="CSGStairMaker3D" parent="." instance=ExtResource("3_ldwg4")]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 2.75, -4.75, 0)
+use_collision = true
+size = Vector3(14, 10, 9.5)
+num_stairs = 32