Add auto context restoration

src/graphics/rendering/renderer/renderer.ts

@@ -0,0 +1,16 @@
+import { vec2 } from 'gl-matrix';
+import { Drawable } from '../../../drawables/drawable';
+import { RuntimeSettings } from '../settings/runtime-settings';
+
+export interface Renderer {
+  readonly canvasSize: vec2;
+  readonly viewAreaSize: vec2;
+  readonly insights: any;
+
+  setViewArea(topLeft: vec2, size: vec2): void;
+  setRuntimeSettings(overrides: Partial<RuntimeSettings>): void;
+  addDrawable(drawable: Drawable): void;
+  autoscaleQuality(deltaTime: DOMHighResTimeStamp): void;
+  renderDrawables(): void;
+  destroy(): void;
+}