Astronomy base game update

New items:

Telescope (cheap)

https://64.media.tumblr.com/791073b2c7f0b9852709431c2cb70d3a/tumblr_inline_pm9xpi9TjJ1vbswap_1280.png

Telescope (expensive)

https://thumbs2.modthesims2.com/img/3/1/6/9/9/6/3/MTS_Esmeralda-1629825-all3.jpg

Planets models (decorative, all planets plus moon)

http://microbot.ch/2013/img/3D/hiigara/0935.JPG

Telescopes lens (decorative)

https://images-na.ssl-images-amazon.com/images/I/61bS%2Bo%2BVZqL._AC_SY355_.jpg

Lunar robot model

https://static.turbosquid.com/Preview/000285/385/FV/apollo-lunar-rover-vehicle-3d-model_D.jpg