Check license

[NiniHsu]

Hi, @aui . I am the member of cdnjs team. I found that license info different between cdnjs and repo.
Because the license info is not very precise, could you please point out the license used from the following:
● LGPL-2.0
● LGPL-2.1
● LGPL-3.0

Thank you!
cdnjs/cdnjs#10159