Examine source code of Gemini Scroll to Bottom

{
  "manifest_version": 2,
  "name": "Gemini Scroll to Bottom",
  "version": "1.0",
  "description": "Adds a button to scroll to the bottom of the page on Gemini.",
  "content_scripts": [
    {
      "matches": [
        "*://gemini.google.com/*"
      ],
      "css": [
        "index.css"
      ],
      "js": [
        "gemini_scroll.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{6954c47e-8659-4b9e-acaf-927714690741}"
    }
  }
}