Reduce allocations

[skr1n]

Describe your change

Replace io.ReadAll + json.Unmarhal with json.NewDecoder
Added new SearchTyped method to serialize hits to user defined type instead of intermediate map[string]interface{}

What problem is this fixing?

Reducing memory allocations

goos: darwin
goarch: arm64
pkg: github.com/FindHotel/sapi-backend/internal/hotel
BenchmarkGeoSearch/Typed-8                   393           2966783 ns/op         1779498 B/op      13271 allocs/op
BenchmarkGeoSearch/NonTyped-8                201           5796816 ns/op         3198823 B/op      33436 allocs/op
BenchmarkGeoSearch/NonTypedRA-8              208           5754820 ns/op         4127025 B/op      33450 allocs/op
PASS
ok      github.com/FindHotel/sapi-backend/internal/hotel        5.167s

Typed - version with typed response and json decoder
NonTyped - version with json decoder
NonTypedRA - version with io.ReadAll + json.Unmarshal