Added public files

Roughly added all public files. Probably missed some, though.
3345 files changed
tree: 7a8a34c3e3c1f55780ee8420a7a59c984ee0e399
  1. d/
  2. doc/
  3. items/
  4. obj/
  5. p/
  6. room/
  7. secure/
  8. std/
  9. sys/