Snip it! button for eBay

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 3,
  "name": "__MSG_ext_long_name__",
  "short_name": "__MSG_sn__",
  "version": "2.5.2",
  "description": "__MSG_ext_desc__",
  "author": "Piotr \"Korba\" Tomczyk",
  "homepage_url": "https://www.snip.pl/",
  "background": {
    "service_worker": "content/main.js"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.ebay.com/*",
        "*://*.ebay.de/*",
        "*://*.ebay.co.uk/*",
        "*://*.ebay.ca/*",
        "*://*.ebay.fr/*",
        "*://*.ebay.com.au/*",
        "*://*.ebay.in/*",
        "*://*.ebay.ie/*",
        "*://*.ebay.it/*",
        "*://*.ebay.com.my/*",
        "*://*.ebay.nl/*",
        "*://*.ebay.ph/*",
        "*://*.ebay.pl/*",
        "*://*.ebay.com.sg/*",
        "*://*.ebay.es/*",
        "*://*.ebay.se/*",
        "*://*.ebay.ch/*"
      ],
      "js": [
        "content/ebay.js"
      ]
    },
    {
      "matches": [
        "*://*.allegro.pl/*"
      ],
      "js": [
        "content/allegro.js"
      ]
    }
  ],
  "options_page": "content/options.html",
  "default_locale": "en",
  "icons": {
    "32": "img/icon_32.png",
    "48": "img/icon_48.png",
    "128": "img/icon_128.png"
  },
  "action": {
    "default_icon": "img/button.png",
    "default_title": "__MSG_ext_action_idle__"
  },
  "permissions": [
    "tabs",
    "storage"
  ]
}