Examine source code of Carbon Devtools

{
  "name": "Carbon Devtools",
  "version": "3.0.0",
  "manifest_version": 3,
  "description": "A basic set of tools for teams building live Carbon pages for Carbon v10 and v11.",
  "author": "IBM",
  "permissions": [
    "activeTab",
    "storage",
    "scripting"
  ],
  "host_permissions": [
    "https://*.mybluemix.net/*",
    "https://*.carbondesignsystem.com/*"
  ],
  "background": {
    "service_worker": "/background/index.js",
    "scripts": [
      "/background/index.js"
    ]
  },
  "minimum_chrome_version": "121",
  "browser_specific_settings": {
    "gecko": {
      "strict_min_version": "121.0",
      "id": "{a12521e6-1ba2-4d48-9ec2-9286a37d82d1}",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "web_accessible_resources": [
    {
      "resources": [
        "/inject/index.css",
        "/validate/validationScript.js"
      ],
      "matches": [
        "*://*/*"
      ]
    }
  ],
  "icons": {
    "16": "/media/16x16-mid.png",
    "32": "/media/32x32-mid.png",
    "48": "/media/48x48-mid.png",
    "64": "/media/64x64-mid.png",
    "128": "/media/128x128-mid.png"
  },
  "action": {
    "default_popup": "/popup/index.html"
  },
  "options_ui": {
    "page": "/options/index.html",
    "open_in_tab": false
  }
}