Examine source code of Electrum Bitcoin

{
  "manifest_version": 3,
  "name": "Electrum Bitcoin",
  "short_name": "Electrum",
  "description": "A cryptocurrency price tracker for your browser. Last price, 24h change, volume, and a simple chart from CoinGecko.",
  "version": "1.2.0",
  "action": {
    "default_title": "Electrum",
    "default_popup": "src/popup/index.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "permissions": [
    "storage",
    "alarms"
  ],
  "host_permissions": [
    "https://api.coingecko.com/*",
    "https://hlmntrgtvxbjtuemnhfi.supabase.co/*",
    "https://*.supabase.co/*"
  ],
  "options_ui": {
    "page": "src/app/index.html",
    "open_in_tab": true
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "electrum-bitcoin-quotes@independent",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  },
  "author": "Electrum Bitcoin"
}