Examine source code of RoTrade

{
  "manifest_version": 3,
  "name": "RoTrade - Roblox Trading Automated",
  "version": "1.4.11",
  "description": "Roblox trading helper.",
  "icons": {
    "16": "assets/icon-16.png",
    "48": "assets/icon-48.png",
    "128": "assets/icon-128.png"
  },
  "action": {
    "default_popup": "ui/popup.html",
    "default_icon": {
      "16": "assets/icon-16.png",
      "48": "assets/icon-48.png",
      "128": "assets/icon-128.png"
    },
    "default_title": "RoTrade - Roblox Trading Automated"
  },
  "permissions": [
    "activeTab",
    "storage",
    "scripting"
  ],
  "optional_permissions": [
    "notifications"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "rotrade@rotrade.extension",
      "strict_min_version": "128.0",
      "data_collection_permissions": {
        "required": [
          "websiteActivity"
        ]
      }
    }
  },
  "host_permissions": [
    "*://www.roblox.com/*",
    "*://api.rolimons.com/*",
    "*://roautotrade.com/*",
    "*://users.roblox.com/*",
    "*://inventory.roblox.com/*",
    "*://thumbnails.roblox.com/*",
    "*://auth.roblox.com/*",
    "*://trades.roblox.com/*",
    "*://www.rolimons.com/*",
    "*://rolimons.com/*"
  ],
  "background": {
    "scripts": [
      "background/background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "*://www.roblox.com/*"
      ],
      "js": [
        "content-scripts.bundle.js"
      ],
      "css": [
        "assets/styles.css"
      ],
      "run_at": "document_end"
    },
    {
      "matches": [
        "*://www.rolimons.com/*",
        "*://rolimons.com/*"
      ],
      "js": [
        "content/trade-item-id-aliases.js",
        "content/rolimons/item-lookup.js",
        "content/rolimons-trade-ads.js",
        "content/rolimons-trade-ad-create.js"
      ],
      "run_at": "document_end",
      "world": "MAIN"
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "assets/styles.css",
        "assets/bridge.js",
        "assets/trade-row-id-bridge.js",
        "assets/notification.mp3",
        "assets/tutorial-step1.png",
        "assets/tutorial-step2.png",
        "assets/tutorial-step3.png",
        "assets/projected.png",
        "assets/rare.png",
        "assets/roliBadges/*.svg",
        "assets/icons/logo.svg",
        "assets/icons/heavy-dollar-sign.svg",
        "assets/rolimonsLink.svg",
        "assets/rolimonsLinkDark.svg",
        "assets/icons/wish.svg",
        "assets/icons/nft.svg",
        "assets/icons/lb.svg",
        "assets/icons/downgrade.svg",
        "assets/icons/upgrade.svg",
        "assets/icons/equal.svg",
        "assets/icons/op.svg"
      ],
      "matches": [
        "*://www.roblox.com/*"
      ]
    }
  ]
}