Buzz for Cloudron v0.1.17

What's Changed

• GH#75: docs: add Community App installation steps by @marcusquinn in #76
• GH#77: clarify first-owner CLI fallback by @marcusquinn in #78
• GH#77: release Buzz package 0.1.17 by @marcusquinn in #79

Full Changelog: v0.1.16...v0.1.17