DevOne 1.1.1

What's Changed

• Landing: desktop app downloads; link dev-one.site by @imnotseanwtf in #22
• Landing: self-hosting steps that actually work by @imnotseanwtf in #23
• README: remove the board, list and calendar screenshots by @imnotseanwtf in #24
• Desktop 1.1.1: fix "DevOne could not start" on Windows by @imnotseanwtf in #25

Full Changelog: v1.1.0...v1.1.1