docs/alternator: Change the streams sectionSmall but updated blurb describing the state of streams inalternator/scylla.
docs/alternator: Change the streams sectionSmall but updated blurb describing the state of streams inalternator/scylla.

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