Examine source code of Showdown Analytics

{
  "manifest_version": 2,
  "name": "Showdown Analytics",
  "version": "0.2",
  "description": "Saves the time series of your Showdown ladder!",
  "content_scripts": [
    {
      "matches": [
        "*://play.pokemonshowdown.com/*"
      ],
      "js": [
        "main.js",
        "syringe.js"
      ],
      "run_at": "document_start"
    }
  ],
  "permissions": [
    "https://prod-showdown-analytics-4rr2.encr.app/*"
  ],
  "web_accessible_resources": [
    "socket-sniffer.js"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "showdown_analytics@showdown_analytics.com"
    }
  }
}