Examine source code of Text Finder

{
  "manifest_version": 3,
  "name": "Text Finder",
  "version": "1.1",
  "description": "Fixed popup for user experience and minor improvements.",
  "permissions": [
    "activeTab",
    "clipboardRead"
  ],
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ],
      "css": [
        "styles.css"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "clipboard-text-finder@custom.com",
      "strict_min_version": "109.0"
    }
  },
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png",
    "48": "icons/icon-48.png",
    "64": "icons/icon-64.png",
    "96": "icons/icon-96.png",
    "128": "icons/icon-128.png"
  }
}