Examine source code of Go2Ticket

{
  "manifest_version": 2,
  "name": "Go2Ticket",
  "version": "1.1",
  "author": "Clément CHABANNE",
  "description": "Allez directement à un numéro de ticket GLPI depuis son numéro.",
  "homepage_url": "https://git.chabanne.ch/clement/Go2ticket",
  "icons": {
    "48": "icons/go2ticket-48.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_icon": "icons/go2ticket.png",
    "default_title": "Go2Ticket",
    "default_popup": "popup/go2ticket.html"
  },
  "options_ui": {
    "page": "options/options.html"
  },
  "commands": {
    "_execute_browser_action": {
      "suggested_key": {
        "default": "Ctrl+Shift+U",
        "linux": "Ctrl+Shift+L"
      },
      "description": "Send a 'toggle-feature' event"
    },
    "_execute_sidebar_action": {
      "suggested_key": {
        "default": "Alt+Shift+U",
        "linux": "Alt+Shift+L"
      },
      "description": "Send a 'toggle-feature' event"
    }
  }
}