add business user object

Frontend/patient_manager/lib/objects/businessUser.dart

@@ -0,0 +1,29 @@
+// ignore: file_names
+class BusinessUser {
+  final int idbusiness_users;
+  final String business_id;
+  final String app_id;
+  final String signature;
+  final String type;
+  final String title;
+
+  const BusinessUser(
+    this.idbusiness_users,
+    this.business_id,
+    this.app_id,
+    this.signature,
+    this.type,
+    this.title,
+  );
+
+  factory BusinessUser.fromJson(dynamic json) {
+    return BusinessUser(
+      json['idbusiness_users'],
+      json['business_id'],
+      json['app_id'],
+      json['signature'],
+      json['type'],
+      json['title'],
+    );
+  }
+}