Examine source code of Figma Dark Theme

{
  "manifest_version": 2,
  "name": "Figma Dark Theme",
  "version": "1.1.1",
  "description": "🤘 Best dark theme for Figma WebApp 🤘",
  "icons": {
    "48": "icons/FigmaDarkTheme-48.png",
    "96": "icons/FigmaDarkTheme-96.png"
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.figma.com/*"
      ],
      "js": [
        "FigmaDarkTheme.js"
      ]
    }
  ]
}