Examine source code of MarketCSGO Assistant

{
  "manifest_version": 2,
  "name": "MarketCSGO Assistant",
  "version": "1.0",
  "description": "A browser extension for MarketCSGO Assistant, designed to enhance trading experiences by providing automated pricing and more.",
  "icons": {
    "16": "icons/logo.png",
    "48": "icons/logo.png",
    "128": "icons/logo.png"
  },
  "action": {
    "default_popup": "popup/popup.html",
    "default_icon": "icons/logo.png"
  },
  "permissions": [
    "storage",
    "scripting"
  ],
  "host_permissions": [
    "https://market.csgo.com/*/usercab/sell-items",
    "http://localhost:3000/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://market.csgo.com/*/usercab/sell-items"
      ],
      "js": [
        "main/main.js"
      ],
      "run_at": "document_end"
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{aeda623f-25e4-40db-ba6c-aee427db105e}"
    }
  }
}