opt models

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

lib/models_new/space/space/purchase_button.dart

@@ -0,0 +1,13 @@
+class PurchaseButton {
+  String? uri;
+  String? title;
+
+  PurchaseButton({this.uri, this.title});
+
+  factory PurchaseButton.fromJson(Map<String, dynamic> json) {
+    return PurchaseButton(
+      uri: json['uri'] as String?,
+      title: json['title'] as String?,
+    );
+  }
+}