speedrunner v0.4.1

What's Changed

• Packaging: v0.4.0 by @anthonyGosme in #5
• Docs in English: architecture, prior art, multi-runtime by @anthonyGosme in #6
• A user guide by @anthonyGosme in #7
• Launchers in scripts, too-deep runtime dirs, and tests for install and packages by @anthonyGosme in #8

Full Changelog: v0.4.0...v0.4.1