Replace fastify-gql with mercurius (lib rename)

Bump graffiti version to 1.1.1

Bump graffiti version to 1.1.0

Fix plugin examples readmes

Run 'next build' during plugin-next test to make it pass correctly

Create v1.0 release

Create graffiti-plugin-auth@0.3.0

Allow using custom nodemon config for dev mode

Addresses #8

Create graffiti-plugin-next@0.4.0 release

Bump graffiti and plugin-auth version for release