pong: increase speed of game

src/pong.ts

@@ -81,7 +81,7 @@ class PongCore {
         this.grid = 15; // size of grid squares
         this.paddleHeight = this.grid * 5;
         this.paddleHeightMax = this.canvas.height - this.grid - this.paddleHeight;
-        this.timeout = 32; // speed in ms
+        this.timeout = 4; // speed in ms
         this.width = this.canvas.width;
         this.height = this.canvas.height;
         this.gameover = false;