added position elements to space

lib/pages/spaces_management/view/plus_button_widget.dart

@@ -0,0 +1,55 @@
+import 'package:flutter/material.dart';
+import 'package:syncrow_web/utils/color_manager.dart';
+
+class PlusButtonWidget extends StatelessWidget {
+  final int index;
+  final String direction;
+  final Offset offset;
+  final Size screenSize;
+  final Function(int index, Offset newPosition, String direction) onButtonTap;
+
+  const PlusButtonWidget({
+    Key? key,
+    required this.index,
+    required this.direction,
+    required this.offset,
+    required this.screenSize,
+    required this.onButtonTap,
+  }) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    return Positioned(
+      left: offset.dx,
+      top: offset.dy,
+      child: GestureDetector(
+        onTap: () {
+          Offset newPosition;
+          switch (direction) {
+            case 'left':
+              newPosition = Offset(-200, 0);
+              break;
+            case 'right':
+              newPosition = Offset(200, 0);
+              break;
+            case 'down':
+              newPosition = Offset(0, 150);
+              break;
+            default:
+              newPosition = Offset.zero;
+          }
+          onButtonTap(index, newPosition, direction);
+        },
+        child: Container(
+          width: 30,
+          height: 30,
+          decoration: const BoxDecoration(
+            color: ColorsManager.secondaryColor,
+            shape: BoxShape.circle,
+          ),
+          child: const Icon(Icons.add, color: Colors.white, size: 20),
+        ),
+      ),
+    );
+  }
+}