Examine source code of Minimal YouTube

{
  "manifest_version": 3,
  "name": "Minimal YouTube",
  "version": "1.2.1",
  "description": "An extension for that replaces the YouTube UI with a minimal design containing no recommendations, shorts, or distractions.",
  "author": "Ephraim Atta-Duncan",
  "browser_specific_settings": {
    "gecko": {
      "id": "{74062023-cdb1-45a3-9fc8-b5255259e4a0}"
    }
  },
  "icons": {
    "16": "assets/16x16.png",
    "48": "assets/48x48.png",
    "128": "assets/128x128.png"
  },
  "content_scripts": [
    {
      "css": [
        "src/styles/styles.css"
      ],
      "js": [
        "src/content/content.js"
      ],
      "matches": [
        "https://*.youtube.com/*"
      ],
      "exclude_matches": [
        "https://music.youtube.com/*"
      ]
    }
  ],
  "action": {
    "default_popup": "src/popup/popup.html"
  },
  "permissions": [
    "storage"
  ]
}