Examine source code of no-shorts

{
  "manifest_version": 3,
  "name": "no-shorts",
  "version": "0.1.0",
  "description": "Hide YouTube Shorts everywhere and redirect /shorts/<id> URLs to the regular video player.",
  "icons": {
    "48": "icons/icon-48.png",
    "96": "icons/icon-96.png",
    "128": "icons/icon-128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{ab011a6f-b66b-4476-9649-302a3aac66b9}",
      "strict_min_version": "115.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    },
    "gecko_android": {}
  },
  "permissions": [
    "declarativeNetRequest"
  ],
  "host_permissions": [
    "*://*.youtube.com/*"
  ],
  "declarative_net_request": {
    "rule_resources": [
      {
        "id": "shorts_redirect",
        "enabled": true,
        "path": "redirect-rules.json"
      }
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.youtube.com/*"
      ],
      "js": [
        "content.js"
      ],
      "css": [
        "hide.css"
      ],
      "run_at": "document_start",
      "all_frames": false
    }
  ]
}