v0.4-beta-1

What's Changed

• Improve README by @ArchangelSDY in #43
• Add workflow to publish container image by @ArchangelSDY in #50
• Add a pause mode to make it easier to be used in pod by @ArchangelSDY in #53
• Adjust output to meet NPD requirements by @ArchangelSDY in #54

Full Changelog: v0.3...v0.4-beta-1