Add patient queue display

Frontend/patient_manager/lib/objects/patientQueue.dart

@@ -0,0 +1,51 @@
+class PatientQueue {
+  final int idpatient_queue;
+  final String business_id;
+  final String app_id;
+  final String date_time;
+  final String access;
+  final String id_no;
+  final String first_name;
+  final String last_name;
+  final String medical_aid_no;
+
+  const PatientQueue({
+    required this.idpatient_queue,
+    required this.business_id,
+    required this.app_id,
+    required this.date_time,
+    required this.access,
+    required this.id_no,
+    required this.first_name,
+    required this.last_name,
+    required this.medical_aid_no,
+  });
+
+  factory PatientQueue.fromJson(Map<String, dynamic> json) {
+    return switch (json) {
+      {
+        "idpatient_queue": int idpatient_queue,
+        'business_id': String business_id,
+        'app_id': String app_id,
+        'date_time': String date_time,
+        'access': String access,
+        'id_no': String id_no,
+        'first_name': String first_name,
+        'last_name': String last_name,
+        'medical_aid_no': String medical_aid_no,
+      } =>
+        PatientQueue(
+          idpatient_queue: idpatient_queue,
+          business_id: business_id,
+          app_id: app_id,
+          date_time: date_time,
+          access: access,
+          id_no: id_no,
+          first_name: first_name,
+          last_name: last_name,
+          medical_aid_no: medical_aid_no,
+        ),
+      _ => throw const FormatException('Failed to load album.'),
+    };
+  }
+}