Content is now organized by game version and source

This link potentially matches multiple versions of "Zombie":

• Zombie (System Reference Document 5.2)

  CR 1/4 · Undead (Medium)

• Zombie (System Reference Document 5.1)

  CR 1/4 · Undead (Medium)

• Zombie (Monstrous Menagerie)

  CR 1/4 · Undead (Medium)

• Zombie (Black Flag SRD)

  CR 1/4 · Undead (Medium)