Examine source code of unbait

{
  "manifest_version": 3,
  "name": "unbait",
  "version": "1.2",
  "description": "Reduces 'bait-iness' of YouTube thumbnails and titles.",
  "content_scripts": [
    {
      "matches": [
        "*://*.youtube.com/*"
      ],
      "js": [
        "title.js",
        "thumbnail.js",
        "page-manager.js",
        "unbait.js"
      ],
      "run_at": "document_end"
    }
  ],
  "icons": {
    "48": "icons/48.png",
    "96": "icons/96.png",
    "128": "icons/128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{79ce5567-dc9c-47d8-8d6f-ed76c8c108c0}"
    },
    "gecko_android": {
      "id": "{79ce5567-dc9c-47d8-8d6f-ed76c8c108c0}"
    }
  }
}