Content is now organized by game version and source

This link potentially matches multiple versions of "Merfolk":

• Merfolk (System Reference Document 5.1)

  CR 1/8 · Humanoid (Medium)

• Merfolk (Monstrous Menagerie)

  CR 1/8 · Humanoid (Medium)

• Merfolk (Black Flag SRD)

  CR 1/8 · Humanoid (Medium)