Examine source code of EasyExile Trade Extension

{
  "manifest_version": 3,
  "name": "EasyExile Trade Extension",
  "version": "2.3",
  "description": "PoE trading helper: View dust values, find bulk sellers, highlight items by modifiers, and search with keywords.",
  "permissions": [
    "storage",
    "activeTab"
  ],
  "host_permissions": [
    "https://poe.ninja/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "action": {
    "default_popup": "popup.html",
    "default_title": "EasyExile Trade Extension",
    "default_icon": {
      "16": "images/icon16.png",
      "48": "images/icon48.png",
      "128": "images/icon128.png"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "*://www.pathofexile.com/trade",
        "*://www.pathofexile.com/trade/*",
        "*://www.pathofexile.com/trade2",
        "*://www.pathofexile.com/trade2/*"
      ],
      "js": [
        "firefox-compat.js",
        "interceptor.js"
      ],
      "run_at": "document_start"
    },
    {
      "matches": [
        "*://www.pathofexile.com/trade",
        "*://www.pathofexile.com/trade/*",
        "*://www.pathofexile.com/trade2",
        "*://www.pathofexile.com/trade2/*"
      ],
      "js": [
        "content.js",
        "seller_tracker.js"
      ],
      "css": [
        "styles.css"
      ],
      "run_at": "document_idle"
    }
  ],
  "icons": {
    "16": "images/icon16.png",
    "48": "images/icon48.png",
    "128": "images/icon128.png"
  },
  "web_accessible_resources": [
    {
      "resources": [
        "images/dust.png",
        "dust-items.json"
      ],
      "matches": [
        "*://www.pathofexile.com/*"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "easyexile@trade.extension",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}