Add license file #2
Description
Hello the AlphaTiles / SIL team (@AaronHemphill @laineyhm @jpc0001),
I'am taking a look at your projects from the point of view of a Wikimedia , @Lingualibre member.
A license file would be welcome on this repository.
(Ideally Open Content , CC-BY-SA or PD license to it officially gets open sourced).