Make RdfSource generic over the dataset type

ldctl/src/main.rs

@@ -1,5 +1,6 @@
 use ldp::ResourceRequestBuilder;
 use ldp::middleware::BasicAuthMiddleware;
+use ldp::oxigraph::model::Dataset;
 use ldp::reqwest::{Client, Url};
 use ldp::reqwest_middleware::ClientBuilder;
 use tracing::debug;
@@ -28,9 +29,9 @@ async fn main() -> color_eyre::Result<()> {
         .build();
 
     let resource = request.send().await?;
-    let rdf_source = resource.into_rdf_source().await?;
+    let rdf_source = resource.into_rdf_source::<Dataset>().await?;
     for quad in rdf_source.dataset() {
-        debug!(?quad);
+        println!("{:#?}", quad);
     }
 
     Ok(())