opt models

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

lib/models_new/msg/msg_sys/source.dart

@@ -0,0 +1,11 @@
+class Source {
+  String? name;
+  String? logo;
+
+  Source({this.name, this.logo});
+
+  factory Source.fromJson(Map<String, dynamic> json) => Source(
+        name: json['name'] as String?,
+        logo: json['logo'] as String?,
+      );
+}