Port tools from other projects

[Rangi42]

Besides pret's repos, there are other disassemblies and original projects with tools that we could imitate or copy.

• polishedcrystal:
  • [ ] eggmoves.py
  • [ ] farcheck.py
  • [ ] gbc_colors.py
  • [ ] find-unused-tiles.py
  • [ ] git-diff-sizes.sh
  • [ ] map.py
  • [ ] map2link.py
  • [ ] map2sym.py
  • [ ] metatiles.py
  • [ ] mon_anims.py
  • [ ] optimize.py
  • [ ] pal2html.py
  • [ ] unused_blocks.py
  • [ ] used_space.py
• LADX-Disassembly
  • [ ] convert_address.py
  • [ ] convert_color.asm
  • [ ] resize_tiles.py
• libbet:
  • [ ] bgrdedent.py

[vulcandth]

Maybe add unreferenced.py as well.