v0.2.0

What's Changed

• Add kafka, nacos startup script by @zhuangjinjin in #2
• Bump commons-configuration2 from 2.5 to 2.7 by @dependabot in #3
• Bump commons-beanutils from 1.9.3 to 1.9.4 by @dependabot in #5
• upgrade commons-configuration2 to 2.7, upgrade junit to 5.6.2 by @zhuangjinjin in #4
• [issue #6, #7] fix IdGenBuilder#capacity bug by @zhuangjinjin in #8
• add online callback by @zhuangjinjin in #11
• Bump guava from 28.0-jre to 29.0-jre by @dependabot in #17
• feat: upgrade guava to version 30.0-jre or later to avoid attacker wi… by @zhuangjinjin in #18