Examine source code of Bookmark by Emoji

{
  "manifest_version": 2,
  "name": "Bookmark by Emoji",
  "version": "1.0",
  "description": "Allows users to bookmark pages with an emoji instead of a traditional name, making bookmark recognition faster and more fun.",
  "permissions": [
    "bookmarks",
    "tabs",
    "activeTab"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/16-icon.png",
      "48": "icons/48-icon.png",
      "128": "icons/128-icon.png"
    }
  },
  "icons": {
    "16": "icons/16-icon.png",
    "48": "icons/48-icon.png",
    "128": "icons/128-icon.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{63c71fd6-245d-425b-a0ba-9f39a42a102d}"
    }
  }
}