Add Feedback Functions

FoodsharingSiegen.Contracts/Enums/InteractionFeedback.cs

@@ -0,0 +1,12 @@
+namespace FoodsharingSiegen.Contracts.Enums
+{
+    /// <summary>
+    ///     Represents the types of feedback that can be associated with an interaction.
+    /// </summary>
+    public enum InteractionFeedback
+    {
+        Neutral = 10,
+        Positive = 20,
+        Negative = 30
+    }
+}