Examine source code of YouTube Shorts Remover

{
  "manifest_version": 3,
  "name": "YouTube Shorts Remover",
  "version": "1.0",
  "description": "Removes Youtube Shorts from the home page and side panel.",
  "icons": {
    "16": "icon-128.png",
    "48": "icon-128.png",
    "128": "icon-128.png"
  },
  "action": {
    "default_popup": "popup.html",
    "default_icon": "icon-128.png"
  },
  "permissions": [
    "storage",
    "tabs",
    "webNavigation",
    "scripting"
  ],
  "host_permissions": [
    "*://*.youtube.com/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.youtube.com/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_start"
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "yt-shorts-remover-v1@ilikecheeseandmayo.com",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "tracking": false
      }
    }
  }
}