Examine source code of SteamStats

{
  "description": "Adds additional information to Steam pages.",
  "manifest_version": 3,
  "name": "SteamStats",
  "version": "1.1.0",
  "icons": {
    "48": "icons/icon-48.png"
  },
  "content_scripts": [
    {
      "run_at": "document_start",
      "matches": [
        "https://steamcommunity.com/id/*",
        "https://steamcommunity.com/profiles/*"
      ],
      "css": [
        "src/css/main.css",
        "src/css/rating.css"
      ],
      "js": [
        "dist/content/utils.js",
        "dist/content/steamutils.js",
        "dist/content/components.js",
        "dist/content/content.js"
      ],
      "type": "module"
    }
  ],
  "background": {
    "scripts": [
      "dist/background/background.js"
    ],
    "type": "module"
  },
  "host_permissions": [
    "https://api.leetify.com/*",
    "https://api.cs-prod.leetify.com/*",
    "https://api-public.cs-prod.leetify.com/*",
    "https://open.faceit.com/data/v4/*",
    "https://www.faceit.com/api/*"
  ],
  "permissions": [
    "storage"
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "icons/maps/*.svg",
        "icons/ranks/*.svg",
        "icons/faceit/*.png"
      ],
      "matches": [
        "https://steamcommunity.com/*"
      ]
    }
  ],
  "options_page": "options/options.html",
  "browser_specific_settings": {
    "gecko": {
      "id": "{184de5a3-378a-4cd2-adf9-3bbeec26e4f2}",
      "data_collection_permissions": {
        "required": [
          "websiteContent"
        ]
      }
    }
  }
}