Examine source code of DerDieDas.wtf

{
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  "name": "DerDieDas.wtf",
  "version": "0.1",
  "description": "Build your German vocabulary as you read — highlight, track, and translate words in real time.",
  "icons": {
    "48": "icons/icon-48.png",
    "96": "icons/icon-96.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{71102cdd-ad2f-4302-bc3b-49b4d019902c}"
    }
  },
  "permissions": [
    "storage",
    "activeTab",
    "tabs"
  ],
  "homepage_url": "https://derdiedas.wtf",
  "background": {
    "scripts": [
      "src/js/background.js"
    ],
    "type": "module"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "src/js/auth-listener.js"
      ],
      "run_at": "document_start"
    },
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "src/js/language-detector.js",
        "src/js/auth.js",
        "src/js/supabase-client.js",
        "src/js/content.js"
      ],
      "css": [
        "src/css/content.css"
      ],
      "run_at": "document_end"
    }
  ],
  "action": {
    "default_title": "DerDieDas.wtf: Deutsch lernen",
    "default_popup": "signin/signin.html"
  }
}