Refactor enums and update Interaction entity field

Moved enums to a dedicated namespace and updated references across the codebase. Renamed the `Info` field in the `Interaction` entity to `Info1`, including necessary migrations and UI adjustments. These changes improve the organization and consistency of the codebase.

FoodsharingSiegen.Contracts/Enums/UserGroup.cs

@@ -0,0 +1,28 @@
+namespace FoodsharingSiegen.Contracts.Enums
+{
+    /// <summary>
+    ///     The user group enum
+    /// </summary>
+    public enum UserGroup
+    {
+        /// <summary>
+        ///     The read only user group
+        /// </summary>
+        ReadOnly = 100,
+
+        /// <summary>
+        ///     The welcome team user group
+        /// </summary>
+        WelcomeTeam = 200,
+
+        /// <summary>
+        ///     The store manager user group
+        /// </summary>
+        StoreManager = 300,
+
+        /// <summary>
+        ///     The ambassador user group
+        /// </summary>
+        Ambassador = 400
+    }
+}