Examine source code of FireNotes

{
  "manifest_version" : 3 ,
  "name" : "FireNotes",
  "version" : "0.1.0",
  "description" : "Simple, lightweight note-taking extension inspired by Firefox Notes. Features live inline Markdown formatting, Firefox Sync integration, and dark/light themes.",
  "icons" : {
    "16" : "icons/icon-16.png",
    "32" : "icons/icon-32.png",
    "48" : "icons/icon-48.png",
    "128" : "icons/icon-128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "firenotes@extension",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "permissions" : [
    "storage" 
  ],
  "sidebar_action": {
    "default_title" : "FireNotes",
    "default_panel": "ui/index.html",
    "default_icon" : "icons/icon-48.png"
  },
  "action" : {
    "default_title" : "FireNotes",
    "default_popup" : "ui/index.html",
    "default_icon" : "icons/icon-48.png"
  },
  "background" : {
    "scripts" : [
      "background/background.js" 
    ]
  }
}