Examine source code of Gimli Tailwind

{
  "description": "A DevTools extension enabling smart tools for Tailwind CSS.",
  "manifest_version": 3,
  "name": "Gimli Tailwind",
  "version": "4.2",
  "author": "Joakim Hjertvik",
  "homepage_url": "https://gimli.app/tailwinddx.html",
  "icons": {
    "16": "icons/logo48.png",
    "48": "icons/logo48.png",
    "128": "icons/logo128.png"
  },
  "host_permissions": [
    "*://*/*"
  ],
  "permissions": [
    "clipboardWrite"
  ],
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "appgimli@gmail.com",
      "strict_min_version": "122.0"
    }
  },
  "devtools_page": "devtools/devtools-page.html"
}