Examine source code of Dreadit

{
  "manifest_version": 3,
  "name": "Dreadit",
  "version": "0.3",
  "description": "Makes Browsing Reddit Less Painful",
  "icons": {
    "48": "icons/border-48.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{286c6310-ac5b-49d0-8795-40f520d6c519}",
      "strict_min_version": "109.0"
    }
  },
  "permissions": [
    "webRequest",
    "webRequestBlocking"
  ],
  "host_permissions": [
    "https://www.reddit.com/",
    "https://preview.redd.it/",
    "https://external-preview.redd.it/",
    "https://matrix.redditspace.com/"
  ],
  "background": {
    "scripts": [
      "unhook.js"
    ]
  }
}