Examine source code of Fiverr Pro Max

{
  "icons": {
    "16": "icon16.plasmo.e7bcd3ac.png",
    "32": "icon32.plasmo.ce39377b.png",
    "48": "icon48.plasmo.3c17e113.png",
    "64": "icon64.plasmo.df317abe.png",
    "128": "icon128.plasmo.6a4310c5.png"
  },
  "manifest_version": 2,
  "browser_action": {
    "default_icon": {
      "16": "icon16.plasmo.e7bcd3ac.png",
      "32": "icon32.plasmo.ce39377b.png",
      "48": "icon48.plasmo.3c17e113.png",
      "64": "icon64.plasmo.df317abe.png",
      "128": "icon128.plasmo.6a4310c5.png"
    },
    "default_popup": "popup.html"
  },
  "version": "2.0.3",
  "author": "G. Hassan",
  "name": "Fiverr Pro Max",
  "description": "🚀 \"Fiverr PRO MAX\" 🌟 - Your Ultimate Fiverr Companion! 💼💬🔔",
  "background": {
    "scripts": [
      "static/background/index.js"
    ]
  },
  "permissions": [
    "storage",
    "tabs",
    "alarms",
    "notifications",
    "https://*.fiverr.com/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://*.fiverr.com/inbox/*",
        "https://*.fiverr.com/seller_dashboard",
        "https://*.fiverr.com/users/*/seller_dashboard"
      ],
      "js": [
        "inbox.0fbd46f7.js"
      ],
      "run_at": "document_start",
      "css": []
    },
    {
      "matches": [
        "https://*.fiverr.com/inbox*"
      ],
      "js": [
        "fiverr-neo.eb39277c.js"
      ],
      "run_at": "document_start",
      "css": []
    },
    {
      "matches": [
        "https://*.fiverr.com/seller_dashboard",
        "https://*.fiverr.com/users/*/seller_dashboard"
      ],
      "js": [
        "dashboard-orders.93d9d953.js"
      ],
      "run_at": "document_start",
      "css": []
    },
    {
      "matches": [
        "https://*.fiverr.com/*"
      ],
      "js": [
        "links.d01c1f73.js"
      ],
      "run_at": "document_start",
      "css": [
        "main.4766202b.css"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{75c2b4bc-ee47-47b6-acd8-7b76c97be76c}"
    }
  }
}