Remove modules.json

It is not used since osv.git commit 139fd05b4bbedebb387319a051f31ef211c19118.

Signed-off-by: Tomasz Grabiec <tgrabiec@cloudius-systems.com>
add CRuby

This enable to run CRuby on OSv

Signed-off-by: KANATSU Minoru <icc.pot.tyew272@gmail.com>
add example code for CRuby

Signed-off-by: KANATSU Minoru <icc.pot.tyew272@gmail.com>