Release v0.2.2

What's Changed

• chore(deps): adjust the tokio by @chenquan in #3
• Revert "chore(deps): adjust the tokio" by @chenquan in #4
• chore(deps): bump mio from 0.8.10 to 0.8.11 by @dependabot in #5
• feat: mqtt by @chenquan in #6
• fix: the number of entries is incorrect by @chenquan in #17
• chore(deps): bump proc-macro2 from 1.0.78 to 1.0.81 by @dependabot in #16
• fix: fixed runtime by @chenquan in #20
• doc: update README by @chenquan in #21

New Contributors

• @dependabot made their first contribution in #5

Full Changelog: v0.1.2...v0.2.2