Basically, Gargantext.Prelude exports all of Protolude now.

This reverts commit a444cb30.

This reverts commit d04cf03b, reversing
changes made to e213a4bf.

Also, added a basic GraphQL endpoint.

NOTE: This doesn't compile yet because of HTML types.

Doesn't compile yet.

This is somewhere in Flow.hs in types for ConduitT () a m ()
where m monad is IO.