Examine source code of better-ctrl-f

{
  "manifest_version": 3,
  "name": "better-ctrl-f",
  "version": "1.4",
  "description": "better-ctrl-f is a tool that improves the CTRL+F experience in your browser. Supports regex, case-insensitivity, and whole-word matching.",
  "permissions": [
    "activeTab",
    "scripting",
    "storage"
  ],
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "src/utils/regex.js",
        "src/utils/dom.js",
        "src/utils/export.js",
        "src/config/settings.js",
        "src/ui/highlighter.js",
        "src/core/search.js",
        "src/ui/ui.js",
        "src/content.js"
      ],
      "css": [
        "content.css"
      ]
    }
  ],
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "action": {
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    },
    "default_title": "better-ctrl-f",
    "default_popup": "popup.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "better-ctrl-f@adam.dev",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  }
}