Add documentation section about map creation

[blast007]

We don't have any documentation on our main website about map creation. The wiki has some information that could be migrated.

• [ ] Map objects
  • [ ] world
  • [ ] options
  • [ ] waterLevel
  • [ ] dynamicColor
  • [ ] textureMatrix
  • [ ] transform
  • [ ] material
  • [ ] physics
  • [ ] define
  • [ ] group
  • [ ] mesh
  • [ ] meshbox
  • [ ] meshpyr
  • [ ] arc
  • [ ] cone
  • [ ] sphere
  • [ ] tetra
  • [ ] box
  • [ ] pyramid
  • [ ] link
  • [ ] teleporter
  • [ ] base
  • [ ] weapon
  • [ ] zone
• [ ] Using 3D modeling software and converting to BZW
• [ ] Running bzfs for testing maps

https://wiki.bzflag.org/Category:Map_Making https://wiki.bzflag.org/World_units