Examine source code of YT Focus

{
  "version": "0.0.1",
  "manifest_version": 2,
  "name": "YT Focus",
  "description": "Removes youtube algorithm slop",
  "homepage_url": "https://github.com/averagenumber/Youtube-Recomendation-Remover",
  "permissions": [
    "tabs",
    "*://*.youtube.com/*",
    "storage"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "lowcortisolrecommendationremover@lsqp",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "icons": {
    "48": "icons/yt.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.youtube.com/*"
      ],
      "js": [
        "content_scripts/remove_recomendations.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "browser_action": {
    "default_icon": "icons/yt.png",
    "default_title": "YT Focus",
    "default_popup": "popup/main.html"
  }
}