Hi, all,
I am new to this community and would like to make some contributions to this awesome project. While I was exploring the source code, I noticed there is a maven tests that verify the checkstyle of java codes. Something like the following would pop up after executing `mvn clean install` or `mvn verify` ################ [ERROR] Failed to execute goal org.apache.maven.plugins:maven-checkstyle-plugin:2.17:check (validate) on project flink-connector-cassandra_2.11: You have 112 Checkstyle violations. -> [Help 1] ################ Would there there any IDE based checkstyle / auto-format that could assist me for this purpose? I currently use IntelliJ (the latest build) for most of my development. I tried to to install the checkstyle rules instructed on https://github.com/apache/flink/blob/master/docs/internals/ide_setup.md#intellij-idea, but did not succeed. Thanks in advance! Sincerely, Michael Fong
