Examine source code of ColorLift

{
  "manifest_version": 2,
  "name": "ColorLift",
  "description": "🏆 Color palettes from Tailwind, Material, Radix, Nord and more — in HEX and RGB formats.",
  "version": "1.4",
  "icons": {
    "16": "icon/16.png",
    "32": "icon/32.png",
    "48": "icon/48.png",
    "96": "icon/96.png",
    "128": "icon/128.png"
  },
  "permissions": [
    "storage",
    "https://*/*",
    "http://*/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_title": "ColorLift",
    "default_popup": "popup.html"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*/*"
      ],
      "js": [
        "content-scripts/toast.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{f3c21e03-a59d-4e94-85ed-8b65fe8b89ea}"
    }
  }
}