Urql graphql client

[mecirmartin]

• query customers from hasura instance https://iteria-app-example01.herokuapp.com/console
• use urql graphql client https://github.com/FormidableLabs/urql/tree/main/packages/react-urql/examples/1-getting-started

[jozef-slezak]

@msvoro, toto mozes riesit ked si doriesis co robis alebo budes zablokovany