Add .circleci/config.yml

[yuluolout]

• Tag the PR with wip while in development.
• Assign yourself as to the PR
• Assign relevant labels such as bug, enhancement.
• Request reviews if the PR is large, complex or you would like an extra pair of eyes to go over it.
• Add tests to cover changes as needed.
• Update documentation as needed.
• Add new entries to the Changelog.md.
• Update version numbers as needed.

Semver: https://github.com/rust-lang/rfcs/blob/master/text/1105-api-evolution.md

https://semver.org/