v0.5.0

What's Changed

• chore(release): bump core and node to 0.5.0 (dfe132f)
• docs: surface Postgres adapter in landing, README, and self-hosting guides (58ee50a)
• feat(node): add Postgres adapter with full ClickHouse parity (#4) (e2efb75)
• feat(node): normalize referrer URLs to bare hostname (#3) (d67ee26)
• Update ci.yml (de40ede)
• fix(docker): copy apps/demo package.json for workspace install (25b4c03)

Full Changelog: v0.4.0...v0.5.0