feat(renderer): draw selection overlay

renderer/renderer.ts

@@ -1,6 +1,7 @@
 import type { ImageDocument } from "@core/document";
 import type { EditorState } from "@editor/state";
 import { renderArtboard } from "./artboard";
+import { renderSelectionOverlay } from "./selection";
 import type { WebGlRendererContext } from "./types";
 
 export type RenderFrame = {
@@ -44,6 +45,8 @@ export function createRenderer(canvas: HTMLCanvasElement, backend: RendererBacke
         renderArtboard(rendererContext, artboard, frame.editor.viewport);
       }
 
+      renderSelectionOverlay(rendererContext, frame.document, frame.editor);
+
       context.disable(context.SCISSOR_TEST);
     },
     dispose() {},