Refactor and enhance device management and authentication features

- Updated the `reverse_dhivehi_string` function to correct the range for combining characters.
- Added new device handling in the health check view and integrated the `add_new_devices_to_omada` task.
- Improved date handling in `CreateTemporaryUserView` to ensure proper string conversion.
- Enhanced OTP sending by converting mobile numbers to strings.
- Implemented MAC address validation in the `Device` model using a custom validator.
- Removed unnecessary fields from the `CreateDeviceSerializer`.
- Normalized MAC address format in the `DeviceListCreateAPIView`.
- Updated the `djangopasswordlessknox` package to improve code consistency and readability.
- Added migration to enforce MAC address validation in the database.

devices/serializers.py

@@ -7,14 +7,12 @@ from billing.models import Payment  # Import the Payment model
 class CreateDeviceSerializer(serializers.ModelSerializer):
     name = serializers.CharField(required=True)
     mac = serializers.CharField(required=True)
-    registered = serializers.BooleanField(required=True)
 
     class Meta:
         model = Device
         fields = [
             "name",
             "mac",
-            "registered",
             "blocked_by",
         ]
         depth = 2