Examine source code of SideNote Linker

{
  "manifest_version": 3,
  "name": "SideNote Linker",
  "version": "1.0",
  "description": "SideNote Linker provides a convenient side panel for taking notes directly related to the current webpage. Notes are automatically saved with the URL, allowing users to easily revisit context-specific thoughts, research snippets, or reminders without leaving the page.",
  "action": {
    "default_popup": "popup.html",
    "default_icon": "sidenote_linker.png"
  },
  "icons": {
    "128": "sidenote_linker.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "leo7mcdonnellzhnz699@hotmail.com"
    }
  }
}