Examine source code of Wayback Wallet

{
  "manifest_version": 3,
  "name": "Wayback Wallet",
  "version": "1.0.2",
  "description": "Your timely treasure tracker! Compare product prices over time, hunt historical highs (and lows)!",
  "browser_specific_settings": {
    "gecko": {
      "id": "{bc110d1c-a5dd-46ee-bb2b-f093d457248c}",
      "strict_min_version": "126.0"
    }
  },
  "icons": {
    "48": "icons/ww-icon-48.png",
    "128": "icons/ww-icon-128.png"
  },
  "permissions": [
    "activeTab",
    "storage"
  ],
  "action": {
    "default_popup": "pages/popup.html",
    "default_icon": {
      "48": "icons/ww-icon-48.png",
      "128": "icons/ww-icon-128.png"
    }
  },
  "host_permissions": [
    "https://takealot.com/*",
    "https://loot.co.za/*",
    "https://amazon.co.za/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "https://*.takealot.com/*",
        "https://*.loot.co.za/*",
        "https://*.amazon.co.za/*",
        "https://*.amazon.com/*"
      ],
      "js": [
        "assets/helpers.js",
        "assets/content.js"
      ]
    }
  ],
  "options_page": "pages/options.html"
}