Document the constrained "method" vocabulary

[waldoj]

Each method element specifies a method of hunting. Valid values include "archery," "firearms," and "muzzleloader," among others. At a minimum, we should document what the possible values are. Better, we should provide another dataset of machine-readable information defining each of these methods.

[waldoj]

This, of course, will be part of the schema (per #4), from which we'll generate the schema documentation.

[waldoj]

I have to believe that JSON Schema v0.4 addresses this. It has an enum data type, but I think that only allows 1 value, not n values. Maybe combined with oneOf?

[waldoj]

Or maybe just use pattern?