gdb: Introduce 'scylla features' command
gdb: Introduce 'scylla features' command

Reviewed-by: Botond Dénes <a584fa4d75a0a85d721f44fb6e06315a2853b0b6@scylladb.com>
Message-Id: <7ee3c6e3a74b2f35c9e502367283ee5342592da3@scylladb.com>

scylladb/scylla,scylladb/scylla,avikivity/scylla,avikivity/scylla,scylladb/scylla,avikivity/scylla,scylladb/scylla