Examine source code of The Creative Independent

{
  "manifest_version": 3,
  "name": "The Creative Independent’s Extension",
  "version": "2.0.2",
  "description": "Displays a quote from The Creative Independent on your new tab.",
  "icons": {
    "16": "./icons/tci-chrome-16.png",
    "48": "./icons/tci-chrome-48.png",
    "128": "./icons/tci-chrome-128.png"
  },
  "chrome_url_overrides": {
    "newtab": "index.html"
  },
  "content_scripts": [
    {
      "matches": [
        "https://thecreativeindependent.com/api/*"
      ],
      "js": [
        "app.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "creativeindependent@quoteextension"
    }
  }
}