Examine source code of eBay Zero Feedback Filter

{
  "manifest_version": 2,
  "name": "eBay Zero Feedback Filter",
  "version": "1.0",
  "description": "Nasconde automaticamente le inserzioni eBay di venditori con pochi o nessun feedback.",
  "icons": {
    "48": "icon48.png",
    "96": "icon96.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "ebay-feedback-filter@claudiotools",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.ebay.it/*",
        "*://*.ebay.com/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "48": "icon48.png"
    },
    "default_title": "eBay Feedback Filter"
  },
  "permissions": [
    "activeTab",
    "storage"
  ]
}