Examine source code of Scroll Figma

{
  "manifest_version": 2,
  "name": "Figma scroll speed fix for Linux",
  "short_name": "Scroll Figma",
  "version": "1.4",
  "author": "Boolat Kamalov",
  "homepage_url": "https://github.com/800147/scroll-figma",
  "description": "Fixes scroll speed on figma.com in Linux",
  "icons": {
    "32": "icon-32.png",
    "64": "icon-64.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.figma.com/*"
      ],
      "js": [
        "index.js"
      ]
    }
  ]
}