Add comments to Prisma Schema and GraphQL server (#162)

* Lowercase all relations in prisma/graphql schema

* Add Comments data model and graphql schema

* Make comments availalble on the api through resolvers and guard them

* Update front graphql schema

* Fix PR

front/src/pages/auth/Callback.tsx

@@ -7,7 +7,6 @@ function Callback() {
   const [isLoading, setIsLoading] = useState(true);
 
   const refreshToken = searchParams.get('refreshToken');
-  console.log('refreshToken', refreshToken);
   localStorage.setItem('refreshToken', refreshToken || '');
   const navigate = useNavigate();