Added Quarkus GraphQL extension documentation
Added Quarkus GraphQL extension documentation

Signed-off-by: Cem Nura <d6459c2e77a314421e0da164d6d12e0cfc6c8e61@gmail.com>

quarkusio/quarkus,quarkusio/quarkus,quarkusio/quarkus,quarkusio/quarkus,quarkusio/quarkus