fix(readme): Update readme require statements (#24)

README.md

@@ -45,7 +45,7 @@ If you need to build RobotJS, see the [building](#building) section. Instruction
 
 ```JavaScript
 // Move the mouse across the screen as a sine wave.
-var robot = require("robotjs");
+var robot = require("@hurdlegroup/robotjs");
 
 // Speed up the mouse.
 robot.setMouseDelay(2);
@@ -66,7 +66,7 @@ for (var x = 0; x < width; x++)
 
 ```JavaScript
 // Type "Hello World" then press enter.
-var robot = require("robotjs");
+var robot = require("@hurdlegroup/robotjs");
 
 // Type "Hello World".
 robot.typeString("Hello World");
@@ -79,7 +79,7 @@ robot.keyTap("enter");
 
 ```JavaScript
 // Get pixel color under the mouse.
-var robot = require("robotjs");
+var robot = require("@hurdlegroup/robotjs");
 
 // Get mouse position.
 var mouse = robot.getMousePos();