client/src-tauri/tauri.windows.conf.json

{
	"app": {
		"windows": [
			{
				"width": 400,
				"height": 200,
				"decorations": false,
				"center": true,
				"url": "splashscreen.html",
				"label": "splashscreen"
			},
			{
				"fullscreen": false,
				"resizable": true,
				"title": "Spacebar",
				"maximized": true,
				"visible": false,
				"label": "main"
			}
		]
	}
}