Added toast message component

mobile/lib/shared/ui/immich_toast.dart

@@ -0,0 +1,69 @@
+import 'package:flutter/material.dart';
+import 'package:fluttertoast/fluttertoast.dart';
+
+enum ToastType { info, success, error }
+
+class ImmichToast {
+  static show({
+    required BuildContext context,
+    required String msg,
+    ToastType toastType = ToastType.info,
+  }) {
+    FToast fToast;
+
+    fToast = FToast();
+    fToast.init(context);
+
+    fToast.showToast(
+      child: Container(
+        padding: const EdgeInsets.symmetric(horizontal: 24.0, vertical: 12.0),
+        decoration: BoxDecoration(
+          borderRadius: BorderRadius.circular(5.0),
+          color: Colors.grey[50],
+          border: Border.all(
+            color: Colors.black12,
+            width: 1,
+          ),
+        ),
+        child: Row(
+          mainAxisSize: MainAxisSize.min,
+          children: [
+            (toastType == ToastType.info)
+                ? Icon(
+                    Icons.info_outline_rounded,
+                    color: Theme.of(context).primaryColor,
+                  )
+                : Container(),
+            (toastType == ToastType.success)
+                ? const Icon(
+                    Icons.check,
+                    color: Color.fromARGB(255, 104, 248, 140),
+                  )
+                : Container(),
+            (toastType == ToastType.error)
+                ? const Icon(
+                    Icons.error_outline_rounded,
+                    color: Color.fromARGB(255, 240, 162, 156),
+                  )
+                : Container(),
+            const SizedBox(
+              width: 12.0,
+            ),
+            Flexible(
+              child: Text(
+                msg,
+                style: TextStyle(
+                  color: Theme.of(context).primaryColor,
+                  fontWeight: FontWeight.bold,
+                  fontSize: 15,
+                ),
+              ),
+            ),
+          ],
+        ),
+      ),
+      gravity: ToastGravity.TOP,
+      toastDuration: const Duration(seconds: 2),
+    );
+  }
+}