feat(dcl): rename Configuration to PrimaryConfiguration, add BackupConfiguration and FailoverRetryCount

src/ScadaLink.TemplateEngine/Flattening/FlatteningService.cs

@@ -90,7 +90,7 @@ public class FlatteningService
                         connections[attr.BoundDataConnectionName] = new ConnectionConfig
                         {
                             Protocol = conn.Protocol,
-                            ConfigurationJson = conn.Configuration
+                            ConfigurationJson = conn.PrimaryConfiguration
                         };
                     }
                 }

src/ScadaLink.TemplateEngine/Services/SiteService.cs

@@ -104,7 +104,7 @@ public class SiteService
         if (string.IsNullOrWhiteSpace(protocol))
             return Result<DataConnection>.Failure("Protocol is required.");
 
-        var connection = new DataConnection(name, protocol, siteId) { Configuration = configuration };
+        var connection = new DataConnection(name, protocol, siteId) { PrimaryConfiguration = configuration };
         await _repository.AddDataConnectionAsync(connection, cancellationToken);
         await _repository.SaveChangesAsync(cancellationToken);
 
@@ -124,7 +124,7 @@ public class SiteService
 
         connection.Name = name;
         connection.Protocol = protocol;
-        connection.Configuration = configuration;
+        connection.PrimaryConfiguration = configuration;
         await _repository.UpdateDataConnectionAsync(connection, cancellationToken);
         await _repository.SaveChangesAsync(cancellationToken);