Add IntelliJ plugin icon
Add IntelliJ plugin icon

https://www.jetbrains.org/intellij/sdk/docs/basics/plugin_structure/plugin_icon_file.html
Haehnchen/idea-php-shopware-plugin,Haehnchen/idea-php-shopware-plugin,Haehnchen/idea-php-shopware-plugin,Haehnchen/idea-php-shopware-plugin,Haehnchen/idea-php-shopware-plugin