add a background fiber to the topology coordinator that runs
periodically and checks for old CDC streams for tablets keyspaces that
can be garbage collected.
Fixed some minor grammatical changes in the documentation.
Closesscylladb/scylladb#24675
* github.com:scylladb/scylladb:
Update docs/features/cdc/cdc-streams.rst
Small grammatical changes
This commit moves the Features page from the section for developers
to the top level in the page tree. This involves:
- Moving the source files to the *features* folder from the *using-scylla* folder.
- Moving images into *features/images* folder.
- Updating references to the moved resources.
- Adding redirections to the moved pages.
Closesscylladb/scylladb#20401
