Resolve WES-181 "Missing code doc"

Assets/Architecture/Scripts/Score.cs

@@ -6,7 +6,14 @@
 [Serializable]
 public class Score
 {
+    /// <summary>
+    /// The actual score
+    /// </summary>
     public int scoreValue;
+
+    /// <summary>
+    /// The time when the score is achieved, in string format
+    /// </summary>
     public string time;
 }