Examine source code of Price Grabber

{
  "manifest_version": 2,
  "name": "Price Grabber",
  "version": "1.0.6",
  "description": "A fast way to capture product and equipment rental pricing directly from supplier sites.",
  "browser_specific_settings": {
    "gecko": {
      "id": "pricegrabber@euzentra.com",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  },
  "browser_action": {
    "default_title": "Price Grabber",
    "default_popup": "popup.html",
    "default_icon": {
      "128": "icon.png"
    }
  },
  "icons": {
    "128": "icon.png"
  },
  "permissions": [
    "activeTab",
    "storage",
    "https://hook.eu2.make.com/*",
    "*://*.lowes.com/*",
    "*://*.homedepot.com/*",
    "*://*.siteone.com/*",
    "*://*.ewingoutdoorsupply.com/*",
    "*://*.ewingirrigation.com/*",
    "*://sunbeltrentals.com/*",
    "*://*.sunbeltrentals.com/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.lowes.com/*",
        "*://*.homedepot.com/*",
        "*://*.siteone.com/*",
        "*://*.ewingoutdoorsupply.com/*",
        "*://*.ewingirrigation.com/*",
        "*://sunbeltrentals.com/*",
        "*://*.sunbeltrentals.com/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle"
    }
  ]
}