Add data parser base classes

Hcs.WebApp/BackgroundServices/DataParsers/DataParserBase.cs

@@ -0,0 +1,14 @@
+using Hcs.Broker;
+using Hcs.WebApp.Data.Hcs;
+
+namespace Hcs.WebApp.BackgroundServices.DataParsers
+{
+    public abstract class DataParserBase(IClient client, IServiceScope scope, Operation operation) : IDataParser
+    {
+        protected readonly IClient client = client;
+        protected readonly IServiceScope scope = scope;
+        protected readonly Operation operation = operation;
+
+        public abstract Task<bool> ParseAsync();
+    }
+}