Go migrations are not discovered

[rrnair-98]

First things first great ORM. Thanks for making it.
I just had a question as to why go based migrations are not part of the discovery process.
Specifically Im asking about this line of code present on line 89 of the file migrate/migrations.go

!strings.HasSuffix(path, ".up.sql") && !strings.HasSuffix(path, ".down.sql")