⚠ OS Compatibility: WIN ✔ | MAC ❌ | LIN ✔ | MAS ❌ Emitted when an App Command is invoked. These are typically related to keyboard media keys or browser commands, as well as the "Back" button built into some mice on Windows.Commands are lowercased, underscores are replaced with hyphens, and the APPCOMMAND_ prefix is stripped off. e.g. APPCOMMAND_BROWSER_BACKWARD is emitted as browser-backward.The following app commands are explicitly supported on Linux:* browser-backward* browser-forward