Decode embedded structs

[janishorsts]

Use all fields from embedded structs when decoding the HTTP request.

type Sort struct {
  Name string
  Asc bool
}

func (s *Sort) UnmarshalText(text []byte) error {}

type Range struct {
  Start int `query:"rangeStart"`
  End   int `query:"rangeEnd"`
}

var req struct {
  Sort
  Range
}

// ?sort=name&rangeStart=0&rangeEnd=
Decode(r, &req)