Can pause game

script.js

@@ -276,6 +276,9 @@ async function startGame(gameID) {
     document.body.addEventListener("keydown", (ev) => {
         if(["ArrowDown", "ArrowLeft", "ArrowRight", "ArrowUp"].includes(ev.key))
             key = ev.key;
+        
+        if(ev.key == "p")
+            alert("Game paused. Close this dialog to resume");
     });
 
     // Automatically generate new map element if required