Examine source code of Trotto go links

{
  "manifest_version": 3,
  "name": "Trotto go links",
  "description": "This extension makes Trotto \"go links\" work seamlessly in Firefox.",
  "storage": {
    "managed_schema": "schema.json"
  },
  "version": "1.29",
  "icons": {
    "48": "icon@48.png",
    "128": "icon@128.png"
  },
  "action": {
    "default_icon": "icon@48.png",
    "default_popup": "popup.html"
  },
  "permissions": [
    "activeTab",
    "declarativeNetRequest",
    "storage"
  ],
  "host_permissions": [
    "*://go/*",
    "*://*.trot.to/*"
  ],
  "optional_host_permissions": [
    "*://*/*"
  ],
  "background": {
    "service_worker": null,
    "scripts": [
      "background.js"
    ]
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": false
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.trot.to/*"
      ],
      "js": [
        "data_injector.js"
      ],
      "run_at": "document_start"
    },
    {
      "matches": [
        "*://*.trot.to/*"
      ],
      "js": [
        "contentScript.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{7b14cca3-39f4-4fd0-a991-bd6333f6b124}"
    }
  }
}