Add supply contracts page

Hcs.WebApp/BackgroundServices/CampaignManagers/ExportSupplyContractsManager_15_7_0_1.cs

@@ -0,0 +1,27 @@
+using Hcs.WebApp.Data.Hcs;
+
+namespace Hcs.WebApp.BackgroundServices.CampaignManagers
+{
+    public class ExportSupplyContractsManager_15_7_0_1(
+        IServiceScopeFactory scopeFactory,
+        OperationExecutionState operationExecutionState,
+        ResultGetState resultGetState,
+        DataParsingState dataParsingState,
+        Campaign campaign) : ManagerBase(scopeFactory, operationExecutionState, resultGetState, dataParsingState, campaign)
+    {
+        private enum Step
+        {
+            Start = 0,
+            ExecutionWait = 1,
+            ResultWait = 2,
+            End = 3
+        }
+
+        protected override int StepCount => Enum.GetValues(typeof(Step)).Length;
+
+        public override async Task ProcessAsync()
+        {
+            throw new NotImplementedException();
+        }
+    }
+}