Examine source code of Youtube Shorts Blocker

{
  "manifest_version": 2,
  "name": "Youtube Shorts Blocker",
  "version": "1.0",
  "description": "This Extension Blocks the shorts",
  "icons": {
    "280": "icon.png"
  },
  "browser_action": {
    "default_popup": "main.html",
    "default_title": "Youtube Shorts Blocker"
  },
  "permissions": [
    "storage"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "youtubeshorts@blocker",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.youtube.com/*"
      ],
      "js": [
        "content.js"
      ]
    }
  ]
}