Add schedule saving functionality and update schedule events

lib/services/devices_mang_api.dart

@@ -1,3 +1,4 @@
+import 'dart:convert';
 import 'dart:core';
 import 'package:flutter/material.dart';
 import 'package:syncrow_web/pages/device_managment/all_devices/models/device_reports.dart';
@@ -386,4 +387,34 @@ class DevicesManagementApi {
     );
     return response;
   }
+
+  Future<bool> postSchedule({
+    required String category,
+    required String deviceId,
+    required String time,
+    required String code,
+    required bool value,
+    required List<String> days,
+  }) async {
+    final response = await HTTPService().post(
+      path: ApiEndpoints.saveSchedule.replaceAll('{deviceUuid}', deviceId),
+      showServerMessage: false,
+      body: jsonEncode(
+        {
+          'category': category,
+          'time': time,
+          'function': {
+            'code': code,
+            'value': value,
+          },
+          'days': days
+        },
+      ),
+      expectedResponseModel: (json) {
+        return json['success'] ?? false;
+      },
+    );
+    return response;
+  }
+
 }