clean up

lib/domain/entities/customer.dart

@@ -0,0 +1,36 @@
+
+
+class Customer {
+  String id;
+  String name;
+  String phoneNumber;
+  String status;
+
+  Customer({
+    this.id,
+    this.name,
+    this.status,
+    this.phoneNumber,
+  });
+
+  factory Customer.fromMap(Map<String, dynamic> map, String docID) {
+    return Customer(
+      id: docID,
+      name: map['user_name'],
+      phoneNumber: map['phone_number'],
+      status: map['status'],
+    );
+  }
+
+  Map<String, dynamic> toMap() {
+    return {
+      'user_name': name,
+      'phone_number': phoneNumber,
+    };
+  }
+
+  @override
+  String toString() {
+    return 'Customer{name: $name, phoneNumber: $phoneNumber,statis:$status}';
+  }
+}