feat: add resolver for getting configuration Type

SqlData/Persistence/Common/ConfigurationResolver.cs

@@ -0,0 +1,23 @@
+using Mirea.Api.DataAccess.Persistence.EntityTypeConfigurations;
+using System;
+using System.Linq;
+using System.Reflection;
+
+namespace Mirea.Api.DataAccess.Persistence.Common;
+
+public static class ConfigurationResolver
+{
+    public static Type GetConfigurationType<TEntity>(DatabaseProvider provider)
+        where TEntity : class
+    {
+        var entityType = typeof(TEntity);
+        var providerNamespace = typeof(Mark).Namespace + "." + Enum.GetName(provider);
+
+        var assembly = Assembly.GetExecutingAssembly();
+        var configurationType = assembly.GetTypes()
+            .FirstOrDefault(t => t.Namespace != null && t.Namespace.StartsWith(providerNamespace) && t.Name == $"{entityType.Name}Configuration");
+
+        return configurationType ??
+               throw new InvalidOperationException($"Configuration type not found for entity {entityType.Name} and provider {provider}.");
+    }
+}