Examine source code of eszett_replacer

{
  "manifest_version": 3,
  "name": "eszett_replacer",
  "version": "1.0.1",
  "description": "Replaces the German Eszett (ß/ẞ) with double s (ss/SS) everywhere on web pages.",
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "eszett_replacer@johannes-programming.online",
      "strict_min_version": "109.0"
    }
  }
}