Implement tooltip and clean up/refactor code base

src/redux/game.js

@@ -1,4 +1,5 @@
 import Module from "./module.js";
+import keys from "../enums/keys.js";
 
 export const MODULE_NAME = "GAME";
 
@@ -9,16 +10,6 @@ export const module = new Module(MODULE_NAME, {
   fps: 8
 });
 
-export const keys = {
-  UP: "ArrowUp",
-  RIGHT: "ArrowRight",
-  DOWN: "ArrowDown",
-  LEFT: "ArrowLeft",
-  EQUAL: "=",
-  PLUS: "+",
-  MINUS: "-"
-};
-
 export const [START_LOOP, startLoop] = module.action("START_LOOP");
 export const [STOP_LOOP, stopLoop] = module.action("STOP_LOOP");
 export const [LOOP, loop] = module.action("LOOP", ({ recur, skip } = {}) => ({ recur, skip }));