add ios banner on mobile safari

src/utils/platform.ts

@@ -0,0 +1,21 @@
+// https://stackoverflow.com/questions/9038625/detect-if-device-is-ios
+
+import { Capacitor } from "@capacitor/core";
+
+export function iosNotNative() {
+    if (Capacitor.isNativePlatform() || Capacitor.getPlatform() === "ios") {
+        return false;
+    }
+    return (
+        [
+            "iPad Simulator",
+            "iPhone Simulator",
+            "iPod Simulator",
+            "iPad",
+            "iPhone",
+            "iPod"
+        ].includes(navigator.platform) ||
+        // iPad on iOS 13 detection
+        (navigator.userAgent.includes("Mac") && "ontouchend" in document)
+    );
+}