Examine source code of Text Analyzer v6

{
  "manifest_version": 2,
  "name": "Text Analyzer",
  "description": "Analyze text easily (word count, character count, paragraph count).",
  "version": "1.0",
  "permissions": [
    "activeTab",
    "clipboardWrite"
  ],
  "icons": {
    "48": "icon.png"
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "48": "icon.png"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{fe9e8538-1542-4f0a-8426-9db30e5b5845}"
    }
  }
}