As from version 2019.2 idea support shellcheck without any plugin https://www.jetbrains.com/help/idea/2019.2/shell-scripts.html There is no value in developing this plugin.
Compiled with Java 1.8
Find shellcheck-plugin in your IDE plugin repository.
Download JAR file from releases section. Then follow JetBrains Installing Plugin from Disk instructions.
Inspired by stylint-plugin