Use Veekun's Pokedex data instead of building our own

[phalt]

The data currently used in PokeAPI v1 builds out it's own data set, which isn't very efficient when we want to update it or add new content.

Let's reformat the v2 resources to use a mirror or as close to the original dataset as possible.

[zaneadix]

Using a mirror of veekun data.