Examine source code of SAFEBOARD

{
  "manifest_version": 2,
  "name": "Safeboard",
  "version": "1.0.2",
  "description": "📋 A lightweight extension ensuring your copied text matches the original for safe, secure copying.",
  "permissions": [
    "activeTab",
    "clipboardRead",
    "storage"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "browser_action": {
    "default_popup": "popup.html"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ],
      "css": [
        "styles.css"
      ]
    }
  ],
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "msonu2018@gmail.com"
    }
  }
}