have a ship that can move on the screen.

index.html

@@ -13,6 +13,13 @@ async function run() {
 	let game = new Game("game-canvas");
 	let last = performance.now();
 
+    window.addEventListener("keydown", e => {
+        game.key_down(e.key);
+    });
+    window.addEventListener("keyup", e => {
+        game.key_up(e.key);
+    });
+
 	function loop(now) {
 		const dt = (now - last);
 		last = now;