Examine source code of AWS RolEx

{
  "author": "Jordan Kueh",
  "homepage_url": "https://github.com/jkueh/aws-rolex",
  "name": "AWS RolEx",
  "version": "1.2.3",
  "description": "A handy extension that adds a search bar to the AWS role selection page. Log in without leaving the keyboard!",
  "manifest_version": 3,
  "permissions": [
    "activeTab",
    "storage"
  ],
  "incognito": "spanning",
  "web_accessible_resources": [
    {
      "resources": [
        "aws-rolex-background.jpg"
      ],
      "matches": [
        "*://*/*"
      ]
    }
  ],
  "icons": {
    "16": "icon.16.png",
    "48": "icon.48.png",
    "128": "icon.128.png",
    "512": "icon.png"
  },
  "content_scripts": [
    {
      "matches": [
        "https://signin.aws.amazon.com/saml"
      ],
      "run_at": "document_start",
      "js": [
        "aws-rolex-background.js",
        "fuse_6.4.6.js"
      ],
      "css": [
        "aws-rolex-background.css"
      ]
    }
  ],
  "options_ui": {
    "page": "options.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{75a0b0c5-4107-4731-a745-aa3d305a3934}"
    }
  }
}