feat: Add dataRepository interface and dataset class

src/main/java/de/uni_passau/fim/PADAS/group3/DataDash/model/dataRepository.java

@@ -0,0 +1,8 @@
+package de.uni_passau.fim.PADAS.group3.DataDash.model;
+
+import java.util.UUID;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+public interface dataRepository extends JpaRepository<dataset, UUID>{
+    
+}

src/main/java/de/uni_passau/fim/PADAS/group3/DataDash/model/dataset.java

@@ -35,6 +35,20 @@ public class dataset {
 
     private String[] Categories;
 
+    public dataset(String title, String abst, String description, String author, Date date, String[] categories, type type) {
+
+        this.raiting = 0;
+        this.votes = 0;
+        this.title = title;
+        this.abst = abst;
+        this.description = description;
+        this.author = author;
+        this.date = date;
+        this.Categories = categories;
+        this.type = type;
+        
+    }
+
 
     public String getAbst() {
         return abst;