🚀 refactor demo

packages/demo/sample.ts

@@ -0,0 +1,14 @@
+import { Grid } from "@snk/compute/grid";
+import { Snake } from "@snk/compute/snake";
+import * as grids from "@snk/compute/__fixtures__/grid";
+import * as snakes from "@snk/compute/__fixtures__/snake";
+
+const sp = new URLSearchParams(window.location.search);
+
+const gLabel = sp.get("grid") || "simple";
+const sLabel = sp.get("snake") || "snake3";
+
+//@ts-ignore
+export const grid: Grid = grids[gLabel] || grids.simple;
+//@ts-ignore
+export const snake: Snake = snakes[sLabel] || snakes.snake3;