dumb typo

client/src/store.js

@@ -1,6 +1,6 @@
 import { useState, useEffect } from "react";
 
-const nameToHookName = name => "use" + name.chatAt(0).toUpperCase() + name.slice(1);
+const nameToHookName = name => "use" + name.charAt(0).toUpperCase() + name.slice(1);
 
 const shallowEq = (x, y) => x === y;