Added dialogue manager plugin

addons/dialogue_manager/components/preview_generator.gd

@@ -0,0 +1,22 @@
+class_name DMPreviewGenerator extends EditorResourcePreviewGenerator
+
+
+const ICON: Texture2D = preload("../assets/resource.svg")
+
+
+func _handles(type: String) -> bool:
+	return type == "Resource"
+
+
+func _generate(resource: Resource, size: Vector2i, _metadata: Dictionary) -> Texture2D:
+	if resource is DialogueResource:
+		var image: Image = ICON.get_image()
+		image.resize(size.x, size.y, Image.INTERPOLATE_LANCZOS)
+		return ImageTexture.create_from_image(image)
+
+
+	return null
+
+
+func _generate_small_preview_automatically() -> bool:
+	return true