chore: add mobile detection

Author: coodos

platforms/pictique/src/lib/utils/mobile-detection.ts

@@ -0,0 +1,10 @@
+export function isMobileDevice(): boolean {
+  if (typeof window === 'undefined') return false;
+  
+  return /Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i.test(navigator.userAgent) ||
+         (window.innerWidth <= 768);
+}
+
+export function getDeepLinkUrl(qrData: string): string {
+  return qrData;
+}