Examine source code of Netflix Disney+ Hide UI

{
  "description": "Hides the UI for Netflix or Disney +",
  "manifest_version": 2,
  "name": "ND+ Hide UI",
  "version": "2.3",
  "homepage_url": "https://github.com/rob-slezak/Netflix-and-Disney-Plus-Hide-UI",
  "icons": {
    "48": "icons/icon-48.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "page_action": {
    "default_icon": "icons/Netflix-off-light.png",
    "browser_style": true
  },
  "permissions": [
    "activeTab",
    "tabs",
    "theme"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{1a15f18c-3f58-49d0-90f2-29d41df2a476}",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "commands": {
    "toggle-ui": {
      "description": "Trigger show/hide UI",
      "suggested_key": {
        "default": "Ctrl+Alt+H"
      }
    }
  }
}