Examine source code of Tubeless

{
  "manifest_version": 3,
  "name": "Tubeless",
  "description": "YouTube, with the noise let out. Hide Shorts, games, banners, and feed clutter.",
  "version": "1.1.0",
  "icons": {
    "16": "icon/icon.svg",
    "32": "icon/icon.svg",
    "48": "icon/icon.svg",
    "96": "icon/icon.svg",
    "128": "icon/icon.svg"
  },
  "permissions": [
    "storage"
  ],
  "action": {
    "default_icon": {
      "16": "icon/icon.svg",
      "32": "icon/icon.svg"
    },
    "default_title": "Tubeless",
    "default_popup": "popup.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "tubeless@steve.scot",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.youtube.com/*"
      ],
      "run_at": "document_start",
      "js": [
        "content-scripts/content.js"
      ]
    }
  ]
}