Add spine and dialogic museums

addons/dialogic/Modules/Background/Transitions/simple_push_transitions.gd

@@ -0,0 +1,9 @@
+extends DialogicBackgroundTransition
+
+func setup_push_shader() -> ShaderMaterial:
+	var shader := set_shader(DialogicUtil.get_module_path('Background').path_join("Transitions/push_transition_shader.gdshader"))
+
+	shader.set_shader_parameter("previous_background", prev_texture)
+	shader.set_shader_parameter("next_background", next_texture)
+
+	return shader