Examine source code of YoutubeNerf

{
  "manifest_version": 2,
  "name": "YoutubeNerf",
  "version": "2.5",
  "description": "Blocks all recommendations & comments on youtube for firefox, and decontents ig",
  "content_scripts": [
    {
      "matches": [
        "*://*.youtube.com/*"
      ],
      "js": [
        "youtube.js"
      ]
    },
    {
      "matches": [
        "*://*.instagram.com/*"
      ],
      "js": [
        "instagram.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{6ba3cc77-7b91-4320-8c08-12accad69421}"
    }
  }
}