this pr takes a step back and attempts to add definitions to all types, supported by BorshSchema,
in order to allow remove comments like
/// Zero-sized types should follow the convention of either providing a [Definition] or
/// specifying `"nil"` as their [Declaration] for this method to work correctly.
this pr takes a step back and attempts to add definitions to all types, supported by
BorshSchema, in order to allow remove comments likefrom various methods