Examine source code of Easy Tab Organizer

{
  "manifest_version": 3,
  "name": "Tab Organizer",
  "description": "Preview tab groups for the current window, then apply.",
  "version": "0.1.2",
  "icons": {
    "16": "icon.svg",
    "32": "icon.svg",
    "48": "icon.svg",
    "96": "icon.svg",
    "128": "icon.svg"
  },
  "action": {
    "default_icon": "icon.svg",
    "default_title": "Tab Organizer",
    "default_popup": "popup.html"
  },
  "commands": {
    "_execute_action": {
      "suggested_key": {
        "default": "Alt+Shift+O"
      },
      "description": "Open Tab Organizer"
    }
  },
  "permissions": [
    "tabs",
    "storage",
    "tabGroups"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "tab-organizer@benk113.github.io",
      "strict_min_version": "139.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "options_ui": {
    "open_in_tab": true,
    "page": "options.html"
  }
}