Manifest controller
Manifest is a simple JSON file that you could see when creating a PWA application. Here are the typings for it:
export interface ManifestConfig {
name: string,
short_name: string,
description?: string,
background_color: string,
theme_color: string,
display: 'standalone' | 'fullscreen' | 'minimal-ui' | 'browser',
start_url: string,
icons: ManifestIcon[],
[key: string]: any,
}
Read more about the manifest here