Examine source code of Ruckus Text Extractor

{
  "manifest_version": 3,
  "name": "Ruckus Text Extractor",
  "version": "3.5.1",
  "description": "Freeze & select text from pages, images, and video — any language including Tamil.",
  "browser_specific_settings": {
    "gecko": {
      "id": "ruckus-text-extractor@local",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "websiteContent"
        ],
        "optional": [
          "technicalAndInteraction"
        ]
      }
    }
  },
  "permissions": [
    "activeTab",
    "scripting",
    "storage"
  ],
  "host_permissions": [
    "https://api.ocr.space/*"
  ],
  "background": {
    "service_worker": "background.js",
    "scripts": [
      "background.js"
    ]
  },
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "action": {
    "default_title": "Ruckus Text Extractor",
    "default_icon": {
      "16": "icons/icon16.png",
      "32": "icons/icon32.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "options_ui": {
    "page": "popup.html",
    "open_in_tab": false
  }
}