[Node type/API GQL] Accomodate an additional field in the Node (see haskell-gargantext#336) to be able to display the ty name of a node
Related to tha backend issue: haskell-gargantext#336 (closed)
An example of uses:
- to be able to display the type of a node in the node page
- make a different layout or just add the icon type to the title