Examine source code of 🐟 Fish Calculator

{
  "manifest_version": 3,
  "name": "🐟 Fish Calculator",
  "version": "1.0",
  "description": "Mini pocket calculator with accurate math evaluation and a cute fishy style.",
  "action": {
    "default_popup": "popup.html",
    "default_icon": "icon.png"
  },
  "icons": {
    "128": "icon.png"
  },
  "web_accessible_resources": [
    {
      "resources": [
        "math.min.js"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "pashaseuge@hotmail.com"
    }
  }
}