Examine source code of 9gag comments

{
  "description": "Automatically opens comments on webpages matching 9gag.com/gag.",
  "manifest_version": 2,
  "name": "9gag comments",
  "version": "1.0",
  "homepage_url": "https://github.com/dstn3422/9gag-comments-ff-ext/tree/main",
  "content_scripts": [
    {
      "matches": [
        "*://9gag.com/gag/*"
      ],
      "js": [
        "toggleComments.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{6bae84bd-d7bb-4f2a-93e7-2398bece94a0}"
    }
  }
}