Examine source code of SAML-tracer

{
  "name": "SAML-tracer",
  "description": "A debugger for viewing SAML messages",
  "author": "Olav Morken, Jaime Perez, Thijs Kinkhorst, Jan Köhler, Tim van Dijen",
  "manifest_version": 3,
  "version": "1.9.2",
  "homepage_url": "https://github.com/SimpleSAMLphp/SAML-tracer",
  "icons": {
    "16": "src/resources/images/icon16.png",
    "32": "src/resources/images/icon32.png",
    "48": "src/resources/images/icon48.png",
    "96": "src/resources/images/icon96.png",
    "128": "src/resources/images/icon128.png"
  },
  "permissions": [
    "webRequest"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "content_security_policy": {
    "extension_pages": "default-src 'none'; img-src 'self'; script-src 'self'; style-src 'self'; frame-src data:;"
  },
  "background": {
    "service_worker": "bootstrap.js",
    "scripts": [
      "bootstrap.js"
    ]
  },
  "action": {
    "default_icon": {
      "16": "src/resources/images/icon16.png",
      "32": "src/resources/images/icon32.png",
      "48": "src/resources/images/icon48.png",
      "96": "src/resources/images/icon96.png",
      "128": "src/resources/images/icon128.png"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{d3e01ff2-9a3a-4007-8f6e-7acd9a5de263}",
      "strict_min_version": "121.0"
    }
  },
  "commands": {
    "_execute_action": {
      "suggested_key": {
        "default": "Alt+Shift+S"
      },
      "description": "Opens SAML-tracer if it's not yet started or brings it back to the front if it's already started."
    }
  }
}