Examine source code of GIF Scrubber

{
  "name": "GIF Scrubber",
  "version": "4.1.5",
  "manifest_version": 3,
  "description": "GIF scrubber is like a movie player for animated GIFS. Play it fast, slow, backwards, or use the scrubber to go back and forth!",
  "permissions": [
    "contextMenus",
    "storage"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "icons": {
    "16": "icon-16.b9adc037.png",
    "48": "icon-48.120f0aac.png",
    "128": "icon-128.79df28db.png"
  },
  "background": {
    "scripts": [
      "eventPage.c6597e35.js"
    ]
  },
  "options_ui": {
    "browser_style": false,
    "page": "options.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{a30f1ea6-8738-4402-b45c-8d3fe7c87273}"
    }
  },
  "web_accessible_resources": [
    {
      "matches": [
        "<all_urls>"
      ],
      "resources": [
        "options.html",
        "popup.html"
      ]
    }
  ]
}