add rotation

- rotate Earth
- rotate clouds
globe rotation

rotated to fit a globe stand
update rendering

- use function variable instead of global (in IIFE)
- complete rendering before calling recursive call to render
staging + globe holder

- reduce size of globe (move camera away)
- hardcode smaller canvas
- add globe spindle
- add globe base
add globe ring and stem

- create ring
- create stem (connects base and ring)
- speed up rotation on Earth
- increase canvas to 500px sq