Added LFBO to the "airports" .json

[Ninovui]

Is your feature request related to a problem? Please describe.
Yes, a missing AP

Describe the solution you'd like
Just add the new folder. I added LFBO and keep the other stuff untouched.

Describe alternatives you've considered
Alternatives ? Uhh... no ?

Additional context
Add any other context or screenshots about the feature request here.

Other AP will follow, including

airports.json