Examine source code of AWS Account Identifier

{
  "manifest_version": 3,
  "name": "AWS Account Identifier",
  "version": "0.0.6",
  "description": "A browser extension to identify AWS accounts by their name and colors.",
  "browser_specific_settings": {
    "gecko": {
      "id": "aws-account-identifier@nopppe.nl",
      "strict_min_version": "139.0"
    }
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  },
  "web_accessible_resources": [
    {
      "resources": [
        "colors.json"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "permissions": [
    "storage"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://*.console.aws.amazon.com/*"
      ],
      "js": [
        "content.js"
      ]
    }
  ]
}