add support for Type matcher

[gkampitakis]

This idea was taken from https://github.com/gkampitakis/go-snaps/issues/58#issuecomment-1561490524.

Code example:

snaps.MatchJSON(t, `{"data":{"moredata":10}}`, match.Type[string]("data.moredata"))

• [x] Add unit testing
• [x] Update Docs
• [x] More manual testing