refa: article (#757)

Signed-off-by: bggRGjQaUbCoE <githubaccount56556@proton.me>

lib/models/dynamics/opus_detail/coin.dart

@@ -0,0 +1,19 @@
+class Coin {
+	int? count;
+	bool? forbidden;
+	bool? status;
+
+	Coin({this.count, this.forbidden, this.status});
+
+	factory Coin.fromJson(Map<String, dynamic> json) => Coin(
+				count: json['count'] as int?,
+				forbidden: json['forbidden'] as bool?,
+				status: json['status'] as bool?,
+			);
+
+	Map<String, dynamic> toJson() => {
+				'count': count,
+				'forbidden': forbidden,
+				'status': status,
+			};
+}