Examine source code of Steam Badge Tools

{
  "manifest_version": 3,
  "name": "Steam Badge Tools",
  "version": "1.0.0",
  "description": "Advanced badge statistics, mass crafting, and booster pack intelligence for Steam.",
  "browser_specific_settings": {
    "gecko": {
      "id": "steambadgetools@agp96",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  },
  "data_collection_permissions": {
    "is_collecting_data": false
  },
  "permissions": [
    "storage"
  ],
  "host_permissions": [
    "*://steamcommunity.com/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://steamcommunity.com/id/*/badges*",
        "*://steamcommunity.com/profiles/*/badges*"
      ],
      "js": [
        "src/calculator.js",
        "src/parser.js",
        "src/booster.js",
        "src/crafter.js",
        "src/ui.js",
        "src/content.js"
      ],
      "css": [
        "src/styles.css"
      ],
      "run_at": "document_idle"
    }
  ],
  "icons": {
    "48": "icon.png"
  }
}