Fix not commiting the "IdUrlMimeTypeTriple" model.

src/main/java/eu/openaire/publications_retriever/models/IdUrlMimeTypeTriple.java

@@ -0,0 +1,16 @@
+package eu.openaire.publications_retriever.models;
+
+public class IdUrlMimeTypeTriple {
+
+	// Use "public" to avoid the overhead of calling successors, this is a temporal class anyway.
+	public String id;
+	public String url;
+	public String mimeType;
+
+	public IdUrlMimeTypeTriple(String id, String url, String mimeType) {
+		this.id = id;
+		this.url = url;
+		this.mimeType = mimeType;
+	}
+
+}