To load plugin into the provided Toolbox App, put files in the following directory:
Windows: %LocalAppData%/JetBrains/Toolbox/cache/plugins/plugin-id
macOS: ~/Library/Caches/JetBrains/Toolbox/plugins/plugin-id
Linux: ~/.local/share/JetBrains/Toolbox/plugins/plugin-id
Put all required .jar files (do not include any dependencies already included with the Toolbox App to avoid possible resolution conflicts),
extensions.json and icon.svg in this directory.