[FEATURE] ZTE ZXHN F671Y

[directentis1]

Description of new feature
e.g. I would like the ZTE F671Y V9.0 router to be supported

Describe alternatives you've considered
e.g. I have tried using --payload xxx but I get the following error < error >

$ python3 ../examples/decode.py --serial ZTEEQKANBX09531 --signature 'ZXHN F671Y V9.0' config.bin config.xml
Traceback (most recent call last):
  File "/home/xxxx/zte/zte-config-utility/resources/../examples/decode.py", line 194, in <module>
    main()
  File "/home/xxxx/zte/zte-config-utility/resources/../examples/decode.py", line 45, in main
    zcu.zte.read_header(infile)
  File "/home/xxxx/.local/lib/python3.9/site-packages/zcu-0.4.0-py3.9.egg/zcu/zte.py", line 17, in read_header
AssertionError

Additional context
My router specs:

Attach config.bin for your device
Okay, my exported config.bin:

config.bin.zip
(It's not a zip file, please remove the .zip extension to get the actual file)