v0.9.0 - Populate origin_visit_stats table out of the origin_visit_status topic - Introduce a scheduler policy simulator (old task-based scheduler, ...) - Implement basic aggregated metrics on listed origins - scheduler.cli.journal: Add `swh scheduler journal-client` cli - Filter origins by visit type when scheduling the next visits - Introduce a `swh scheduler origin schedule-next` cli - Introduce a `swh scheduler origin grab-next` cli - Add an new origin visit stats model object and related backend api - Implement a basic endpoint for getting the next origins to visit - doc: Add a cli section to the doc