add deleted attribute

lib/data/models/player.dart

@@ -7,6 +7,7 @@ class Player {
   final String name;
   int nameCount;
   final String description;
+  final bool deleted;
 
   Player({
     String? id,
@@ -14,6 +15,7 @@ class Player {
     required this.name,
     this.nameCount = 0,
     String? description,
+    this.deleted = false,
   }) : id = id ?? const Uuid().v4(),
        createdAt = createdAt ?? clock.now(),
        description = description ?? '';
@@ -29,7 +31,8 @@ class Player {
       createdAt = DateTime.parse(json['createdAt']),
       name = json['name'],
       nameCount = 0,
-      description = json['description'];
+      description = json['description'],
+      deleted = json['deleted'] ?? false;
 
   /// Converts the Player instance to a JSON object.
   Map<String, dynamic> toJson() => {
@@ -37,5 +40,6 @@ class Player {
     'createdAt': createdAt.toIso8601String(),
     'name': name,
     'description': description,
+    'deleted': deleted,
   };
 }