Examine source code of FShorts

{
  "manifest_version": 2,
  "name": "FShorts",
  "version": "1.1",
  "description": "Converts all YouTube Shorts links to the normal watch link",
  "icons": {
    "48": "icons/icon.png"
  },
  "permissions": [
    "webRequest",
    "webRequestBlocking",
    "*://*.youtube.com/*"
  ],
  "background": {
    "scripts": [
      "fshort-backgrounds.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "strict_min_version": "57.0a1",
      "id": "{f41d644e-57e5-4e7c-b598-8b9b2fa7c1cd}"
    }
  }
}