storage_service: Add supported_features into system.peers table
storage_service: Add supported_features into system.peers table

kjniemi/scylla,scylladb/scylla,avikivity/scylla,scylladb/scylla,duarten/scylla,raphaelsc/scylla,scylladb/scylla,raphaelsc/scylla,kjniemi/scylla,scylladb/scylla,duarten/scylla,avikivity/scylla,kjniemi/scylla,raphaelsc/scylla,avikivity/scylla,duarten/scylla