Examine source code of EDZILLA Steam Saver

{
  "manifest_version": 3,
  "name": "EDZILLA Steam Saver",
  "version": "0.8.3",
  "description": "Shows themed, cached GG.DEALS prices on Steam game pages and wishlists.",
  "permissions": [
    "storage"
  ],
  "host_permissions": [
    "https://store.steampowered.com/*",
    "https://api.gg.deals/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "https://store.steampowered.com/app/*"
      ],
      "js": [
        "content.js"
      ],
      "css": [
        "content.css"
      ],
      "run_at": "document_idle"
    },
    {
      "matches": [
        "https://store.steampowered.com/*"
      ],
      "js": [
        "wishlist.js"
      ],
      "css": [
        "content.css"
      ],
      "run_at": "document_idle"
    }
  ],
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  },
  "action": {
    "default_title": "EDZILLA Steam Saver settings",
    "default_popup": "popup.html",
    "default_icon": {
      "48": "icons/icon-48.png",
      "96": "icons/icon-96.png",
      "128": "icons/icon-128.png"
    }
  },
  "icons": {
    "48": "icons/icon-48.png",
    "96": "icons/icon-96.png",
    "128": "icons/icon-128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "edzilla-steam-saver@edzilla.local",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "authenticationInfo",
          "browsingActivity",
          "locationInfo"
        ]
      }
    }
  }
}