Completing the Gamepad operator and Example

[newemka]

By following the first part of gamepad operator, I've added the output for the remaining buttons.

I'm testing with a Xbox one controller, one issue remains, the X button is not working while pressing the Y button turns Y and X bools to true. @mrvux

[mrvux]

In GamepadInput,.cs line 31 : this.X = y; should be this.X = x;

[newemka]

this.X = y;

Thanks a lot!

[pixtur]

This PR was merged manually