v0.1.1 — README launch-video patch

Docs-only patch release: the npm 0.1.0 package was published before the README launch video was updated, so the npm page embedded the old video. npm READMEs are immutable per version — this release refreshes it. No code changes; the package file list is identical to 0.1.0.

Changed

• README: point the launch video at the updated public asset
• Prettier-clean the README video block (fixes format:check on main)

Note: this version was published to npm manually (npm publish from a maintainer machine, same as 0.1.0). The release workflow run attached to this tag is expected to fail at the publish step — the repo has no NPM_TOKEN secret configured yet. Full changelog: CHANGELOG.md.