Create the Other Animation Variables

Just like with the ChestScript, we need some more variables to track how long the animation should go, how long it has gone so far, and where the object started.

• Add the animationTime variable, which should be public so that we can change it later. You can set it to 0, or pick a more logical number of seconds for your animation to last, like 2 or 3.
• Create a private variable for elapsedTime that starts out at 0.
• Create another Euler variable for startingRotation