Examine source code of YouTube Shorts Blocker

{
  "manifest_version": 2,
  "name": "YouTube Shorts Blocker",
  "version": "1.2.1",
  "description": "A brutally minimal browser extension that hides YouTube Shorts everywhere.",
  "icons": {
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.youtube.com/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_end"
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{13168ec4-fb1c-441f-b146-f28d59b08b83}",
      "strict_min_version": "58.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "collects_data": false
      }
    }
  }
}