Examine source code of Arcadia Storage Helper

{
  "name": "arcadia-storage-helper",
  "version": "0.7.2",
  "description": "Adds icons to usefull items and filters for each purpose type at the arcadia control panel.",
  "manifest_version": 3,
  "icons": {
    "16": "assets/icon@16.png",
    "24": "assets/icon@24.png",
    "32": "assets/icon@32.png",
    "48": "assets/icon@48.png",
    "64": "assets/icon@64.png",
    "128": "assets/icon@128.png",
    "256": "assets/icon@256.png"
  },
  "permissions": [
    "scripting"
  ],
  "host_permissions": [
    "*://cp.arcadia-online.org/*"
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "assets/items.json"
      ],
      "matches": [
        "*://cp.arcadia-online.org/*"
      ]
    }
  ],
  "content_scripts": [
    {
      "matches": [
        "https://cp.arcadia-online.org/masteraccount/view/",
        "https://cp.arcadia-online.org/masteraccount/items/",
        "https://cp.arcadia-online.org/character/view/?id=*",
        "https://cp.arcadia-online.org/market/vending/",
        "https://cp.arcadia-online.org/market/view/?id=*",
        "https://cp.arcadia-online.org/monster/view/?id=*",
        "https://cp.arcadia-online.org/item/",
        "https://cp.arcadia-online.org/monster/view/?id=*"
      ],
      "js": [
        "main.js"
      ],
      "css": [
        "style.min.css"
      ],
      "run_at": "document_idle"
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{4dadf5b8-48af-4484-94c2-ec4ccd7107cd}"
    }
  }
}