added save image and more feature

lib/widgets/ourContainer.dart

@@ -0,0 +1,35 @@
+// ignore_for_file: file_names
+
+import 'package:flutter/material.dart';
+
+class OurContainer extends StatelessWidget {
+  final Widget? child;
+
+  const OurContainer({Key? key, this.child}) : super(key: key);
+  @override
+  Widget build(BuildContext context) {
+    final double left = (MediaQuery.of(context).size.width -
+            (MediaQuery.of(context).size.width * 0.9)) /
+        2;
+    return Container(
+      width: MediaQuery.of(context).size.width * 0.9,
+      margin: EdgeInsets.only(left: left, right: left),
+      padding: const EdgeInsets.only(left: 20, right: 15, bottom: 20, top: 10),
+      decoration: BoxDecoration(
+          color: Colors.white,
+          borderRadius: BorderRadius.circular(20),
+          boxShadow: const [
+            BoxShadow(
+              color: Colors.grey,
+              blurRadius: 10,
+              spreadRadius: 1,
+              offset: Offset(
+                4,
+                4,
+              ),
+            ),
+          ]),
+      child: child,
+    );
+  }
+}