Examine source code of Chromatastic

{
  "manifest_version": 3,
  "name": "Chromatastic",
  "version": "0.3.0",
  "author": "Danny Guo",
  "homepage_url": "https://github.com/dguo/chromatastic",
  "browser_specific_settings": {
    "gecko": {
      "id": "@chromatastic",
      "strict_min_version": "115.0"
    }
  },
  "icons": {
    "16": "logo-16.dece7c8c.png",
    "32": "logo-32.1aa89760.png",
    "48": "logo-48.16cc7da0.png",
    "96": "logo-96.f9eaf650.png",
    "128": "logo-128.7c6677e0.png"
  },
  "permissions": [
    "alarms",
    "storage",
    "theme"
  ],
  "background": {
    "scripts": [
      "background.447b0c85.js"
    ]
  }
}