enable API call from patient manager

Frontend/patient_manager/lib/objects/patients.dart

@@ -0,0 +1,59 @@
+class Patient {
+  final int idpatients;
+  final String id_no;
+  final String first_name;
+  final String last_name;
+  final String email;
+  final String cell_no;
+  final String medical_aid_name;
+  final String medical_aid_no;
+  final String medical_aid_scheme;
+  final String address;
+  final int doc_office_id;
+
+  const Patient({
+    required this.idpatients,
+    required this.id_no,
+    required this.first_name,
+    required this.last_name,
+    required this.email,
+    required this.cell_no,
+    required this.medical_aid_name,
+    required this.medical_aid_no,
+    required this.medical_aid_scheme,
+    required this.address,
+    required this.doc_office_id,
+  });
+
+  factory Patient.fromJson(Map<String, dynamic> json) {
+    return switch (json) {
+      {
+        "idpatients": int idpatients,
+        'id_no': String id_no,
+        'first_name': String first_name,
+        'last_name': String last_name,
+        'email': String email,
+        'cell_no': String cell_no,
+        'medical_aid_name': String medical_aid_name,
+        'medical_aid_no': String medical_aid_no,
+        'medical_aid_scheme': String medical_aid_scheme,
+        'address': String address,
+        'doc_office_id': int doc_office_id,
+      } =>
+        Patient(
+          idpatients: idpatients,
+          id_no: id_no,
+          first_name: first_name,
+          last_name: last_name,
+          email: email,
+          cell_no: cell_no,
+          medical_aid_name: medical_aid_name,
+          medical_aid_no: medical_aid_no,
+          medical_aid_scheme: medical_aid_scheme,
+          address: address,
+          doc_office_id: doc_office_id,
+        ),
+      _ => throw const FormatException('Failed to load album.'),
+    };
+  }
+}