Examine source code of PrepsFinder

{
  "manifest_version": 3,
  "name": "PrepsFinder",
  "version": "1.0.1",
  "description": "Compare preparedness and camping food prices across Mountain House, Wise, ReadyWise, Be Prepared, and more.",
  "permissions": [
    "storage",
    "tabs",
    "scripting"
  ],
  "host_permissions": [
    "https://*.mountainhouse.com/*",
    "https://*.wisefoodstorage.com/*",
    "https://*.readywise.com/*",
    "https://*.beprepared.com/*",
    "https://*.augasonfarms.com/*",
    "https://*.valleyfoodstorage.com/*",
    "https://*.legacyfoodstorage.com/*",
    "https://*.survivalfrog.com/*",
    "https://*.thereadystore.com/*",
    "https://*.amazon.com/*",
    "https://*.walmart.com/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "action": {
    "default_popup": "popup.html",
    "default_title": "PrepsFinder",
    "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"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "prepsfinder@comparison.tool",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}