v0.4.0

What's Changed

• feat: use async IO. by @RinChanNOWWW in #19
• feat: add option delay to qq config. by @RinChanNOWWW in #22
• refactor: use crate rss to parse XML. by @RinChanNOWWW in #24

Full Changelog: v0.3.2...v0.4.0