Add GPL license

Signed-off-by: Rafael Ravedutti <rrlmachado@inf.ufpr.br>
2 jobs for add_gpl_license in 3 minutes and 56 seconds (queued for 3 seconds)
Status Job ID Name Coverage
  Test
passed #28022
ruby postgres
test

00:01:28

 
  Build
passed #28023
docker build
build

00:02:27