Examine source code of SteamTrades Booster

{
  "manifest_version": 3,
  "name": "SteamTrades Booster",
  "version": "0.1.4",
  "description": "Enhance steamtrades.com with new UI features and price tracking",
  "permissions": [
    "storage",
    "alarms",
    "unlimitedStorage"
  ],
  "host_permissions": [
    "https://www.steamtrades.com/*",
    "https://steamtrades.com/*",
    "https://store.steampowered.com/*",
    "https://api.steampowered.com/*",
    "https://steamcommunity.com/*",
    "https://gg.deals/*",
    "https://api.gg.deals/*"
  ],
  "background": {
    "scripts": [
      "dist/service-worker.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.steamtrades.com/*",
        "https://steamtrades.com/*"
      ],
      "js": [
        "dist/content.js"
      ],
      "css": [
        "styles/content.css"
      ],
      "run_at": "document_idle"
    },
    {
      "matches": [
        "https://gg.deals/game/*"
      ],
      "js": [
        "dist/ggdeals-scraper.js"
      ],
      "run_at": "document_end"
    }
  ],
  "action": {
    "default_popup": "popup/popup.html",
    "default_title": "SteamTrades Booster",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "steamtrades-booster@example.com",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}