Added demo mode for app review

PDSMan/Models/PDSModels.swift

@@ -36,14 +36,25 @@ struct CodeUse: Codable, Identifiable, Sendable {
 }
 
 // User model
-struct PDSUser: Identifiable, Hashable, Sendable {
-    var id: String // DID
-    var handle: String
-    var displayName: String
-    var description: String
-    var joinedAt: Date
-    var avatar: URL?
-    var isActive: Bool = true
+class PDSUser: Identifiable, Hashable, Sendable, ObservableObject {
+    let id: String // DID
+    let joinedAt: Date
+    let avatar: URL?
+
+    @Published var handle: String
+    @Published var displayName: String
+    @Published var description: String
+    @Published var isActive: Bool = true
+    
+    init(id: String, handle: String, displayName: String, description: String, joinedAt: Date, avatar: URL?, isActive: Bool = true) {
+        self.id = id
+        self.handle = handle
+        self.displayName = displayName
+        self.description = description
+        self.joinedAt = joinedAt
+        self.avatar = avatar
+        self.isActive = isActive
+    }
     
     // Add Hashable conformance
     func hash(into hasher: inout Hasher) {