Examine source code of No More Shorts

{
  "manifest_version": 3,
  "name": "No More Shorts",
  "version": "1.0.18",
  "description": "Removes Shorts shelf and Shorts videos from YouTube search results.",
  "content_scripts": [
    {
      "matches": [
        "https://www.youtube.com/*"
      ],
      "js": [
        "src_firefox/content.js"
      ],
      "run_at": "document_end"
    }
  ],
  "host_permissions": [
    "https://www.youtube.com/*"
  ],
  "background": {
    "scripts": [
      "src_firefox/background.js"
    ]
  },
  "options_page": "src_firefox/options.html",
  "permissions": [
    "storage",
    "contextMenus"
  ],
  "action": {
    "default_title": "Toggle Shorts Removal"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{a4787ce4-62ee-483d-2cf5-66286fc7cfb1}",
      "strict_min_version": "126.0"
    }
  }
}