Examine source code of Quick MD Notes

{
  "manifest_version": 2,
  "name": "Quick MD Notes",
  "description": "Quick markdown notes with a formatting bar, live rendering, reading time and one-click download. Links are limited to http, https and mailto for safety.",
  "version": "2.7.4.9",
  "browser_specific_settings": {
    "gecko": {
      "id": "{63a845e1-b25a-4fdd-bf92-310924360c10}",
      "strict_min_version": "101.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "icons": {
    "32": "graphics/icon-32.png",
    "48": "graphics/icon-48.png",
    "64": "graphics/icon-64.png",
    "96": "graphics/icon-96.png",
    "128": "graphics/icon-128.png"
  },
  "browser_action": {
    "default_title": "Quick MD Notes",
    "default_popup": "popup.html",
    "default_icon": {
      "32": "graphics/icon-32.png",
      "48": "graphics/icon-48.png",
      "64": "graphics/icon-64.png"
    }
  },
  "permissions": [
    "storage"
  ]
}