Examine source code of DVSA Test Booker

{
  "manifest_version": 3,
  "name": "DVSA Test Booker",
  "version": "1.2.1.0",
  "description": "Automate the process of booking DVSA practical tests",
  "permissions": [
    "storage"
  ],
  "action": {
    "default_popup": "src/pages/popup/index.html",
    "default_icon": "logo.png"
  },
  "background": {
    "scripts": [
      "assets/background.firefox.ts-CXlvkJoc.js"
    ]
  },
  "web_accessible_resources": [
    {
      "matches": [
        "*://*/*"
      ],
      "resources": [
        "assets/js/*.js",
        "assets/css/*.css",
        "assets/img/*",
        "assets/sounds/*.mp3",
        "background/*"
      ]
    },
    {
      "matches": [
        "https://driverpracticaltest.dvsa.gov.uk/*",
        "https://example.com/*"
      ],
      "resources": [
        "assets/warn-DyJx1BS6.mp3",
        "assets/success-CtOLJ-sq.mp3",
        "assets/index-BJ0XMiRt.css",
        "assets/date-BW4RIOCO.js",
        "assets/index.ts-Dn66yoil.js"
      ]
    }
  ],
  "content_scripts": [
    {
      "js": [
        "assets/index.ts-loader-D1xQN8rJ.js"
      ],
      "matches": [
        "https://driverpracticaltest.dvsa.gov.uk/*",
        "https://example.com/*"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "dvsa-test-booker@nexhub.co.uk",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}