Examine source code of QuickPaste

{
  "manifest_version": 3,
  "name": "QuickPaste",
  "version": "1.0",
  "description": "Upload files by Paste or Drop – fast and easy.",
  "icons": {
    "16": "./icons/icon16.png",
    "32": "./icons/icon32.png",
    "48": "./icons/icon48.png",
    "128": "./icons/icon128.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "script.js"
      ]
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "ui.html"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "kubilayozturk155@gmail.com",
      "strict_min_version": "109.0"
    }
  }
}