Release v0.1.11

Automatic release for refs/tags/v0.1.11

What's Changed

• Use .effekt.md for literate Effekt code by @marzipankaiser in #14
• Improve syntax highlighting by @jiribenes in #18
• CI: Deploy to the VSCode marketplace by @jiribenes in #22
• Reformat package.json for npm by @jiribenes in #23

New Contributors

• @marzipankaiser made their first contribution in #14
• @jiribenes made their first contribution in #18

Full Changelog: v0.1.6...v0.1.11