Jobs Base updates

Builder roles like founding engineers, solo builders, and "0 to 1" positions are scattered across dozens of job boards with no way to filter for them specifically. [jobsbase.io](https://jobsbase.io) is a curated job board that only surfaces these roles. Search by location, salary, seniority, workpla

Updates are company announcements posted by the listing owner and reviewed before publishing. All AiList updates.