Content is now organized by game version and source

This link potentially matches multiple versions of "Centaur":

• Centaur (System Reference Document 5.1)

  CR 2 · Monstrosity (Large)

• Centaur (Black Flag SRD)

  CR 2 · Monstrosity (Large)

• Centaur (Monstrous Menagerie)

  CR 2 · Fey (Large)