Examine source code of Quick Quote Collector

{
  "manifest_version": 2,
  "name": "Quick Quote Collector",
  "version": "1.0",
  "description": "Lưu nhanh câu hay bằng phím tắt Alt+Q.",
  "permissions": [
    "storage"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "browser_action": {
    "default_icon": "icon.png",
    "default_title": "Quick Quote Collector"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{c94def6c-055f-487b-9d0e-ddd924ef3935}"
    }
  }
}