Examine source code of OTRS Ops

{
  "manifest_version": 2,
  "name": "OTRS Ops",
  "version": "1.5.1",
  "description": "Add useful tools for OTRS operators",
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "options_ui": {
    "page": "options.html",
    "browser_style": true
  },
  "permissions": [
    "activeTab",
    "contextMenus",
    "tabs",
    "clipboardWrite",
    "clipboardRead",
    "storage"
  ],
  "commands": {
    "ticket-link-to-clipboard": {
      "suggested_key": {
        "default": "Alt+C"
      },
      "description": "Send a 'ticket-link-to-clipboard' event to the extension"
    },
    "ticket-sender-to-clipboard": {
      "suggested_key": {
        "default": "Ctrl+Alt+C"
      },
      "description": "Send a 'ticket-sender-to-clipboard' event to the extension"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{c393fccd-a2db-40c9-8e70-469c93a01d7e}"
    }
  }
}