Document: `ContestEffect.flavor_text_entries` is incorrectly typed

[RamType0]

Steps to Reproduce:

1. See document to ensure that ContestEffect.flavor_text_entries is typed as list FlavorText
2. Access https://pokeapi.co/api/v2/contest-effect/1
3. The actual type of ContestEffect.flavor_text_entries always missing FlavorText.version.