v0.3.0

Changelog

• 2218b6b Add --watch flag to re-render a single file on change
• 78c927a Add VHS terminal demo to the README
• 5285e14 Add design spec for --watch mode
• 54fa13b Add implementation plan for --watch mode
• 359b4d5 Add internal.Watch: poll a file and re-render on change
• 4cf51dc Document --watch flag in the README
• 4ebb381 Ignore local LAUNCH.md (personal launch copy)
• 1c11820 Release watch signal handler before exiting on error
• 5ad6e17 Scale the README demo to 1000 files
• 268666d Snapshot file signature before initial render in watch
• 7899b4e Test that watch does not re-render an unchanged file