Add outline of activity class, has bugs

src/Common/src/main/java/greenify/common/ActivityDTO.java

@@ -0,0 +1,34 @@
+package greenify.common;
+
+public class ActivityDTO {
+    private Long id;
+    private String name;
+    private String description;
+    private int score;
+
+    public ActivityDTO() {
+    }
+
+    public ActivityDTO(Long id, String name, String description, int score) {
+        this.id = id;
+        this.name = name;
+        this.description=description;
+        this.score= score;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public Long getId() {
+        return id;
+    }
+
+    public String getDescription() {
+        return description;
+    }
+
+    public int getScore() {
+        return score;
+    }
+}