Examine source code of Vinted Like Filter

{
  "manifest_version": 3,
  "name": "Vinted Like Filter",
  "version": "1.1",
  "description": "Filter Vinted items by minimum like count with a slider",
  "browser_specific_settings": {
    "gecko": {
      "id": "vinted-like-filter-online@sieben.digital",
      "strict_min_version": "109.0"
    }
  },
  "permissions": [
    "activeTab",
    "storage"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://*.vinted.com/*",
        "*://*.vinted.de/*",
        "*://*.vinted.fr/*"
      ],
      "js": [
        "content.js"
      ],
      "css": [
        "content.css"
      ]
    }
  ],
  "action": {
    "default_popup": "popup.html",
    "default_title": "Vinted Like Filter"
  },
  "icons": {
    "16": "vinted_16.png",
    "48": "vinted_48.png",
    "128": "vinted_128.png"
  }
}