Examine source code of Emoji-B-Gone

{
  "manifest_version": 3,
  "name": "Emoji-B-Gone",
  "version": "1.3.0",
  "description": "Removes emojis from web pages, with a configurable allow-list. Made with Gemini.",
  "permissions": [
    "storage",
    "tabs"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content_scripts/emoji_remover.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "action": {
    "default_icon": {
      "48": "icons/icon-48.png",
      "96": "icons/icon-96.png"
    },
    "default_title": "Emoji-B-Gone",
    "default_popup": "popup/popup.html"
  },
  "icons": {
    "48": "icons/icon-48.png",
    "96": "icons/icon-96.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{aeba2462-530d-430e-a039-29a24af20fb4}"
    }
  }
}