Change single quotes to double quotes

IntComp/Computer.js

@@ -1,5 +1,5 @@
 const Stack = require("./Stack");
-const ComputerParameterMode = require('./ComputerParameterMode');
+const ComputerParameterMode = require("./ComputerParameterMode");
 
 /**
  * An Intcode Computer for the Advent of Code 2019 challenge