Plugins little refactor

DiunaBI.Infrastructure/Plugins/BaseDataImporter.cs

@@ -0,0 +1,13 @@
+using DiunaBI.Domain.Entities;
+using DiunaBI.Infrastructure.Interfaces;
+
+namespace DiunaBI.Infrastructure.Plugins;
+
+public abstract class BaseDataImporter : IDataImporter
+{
+    public abstract string ImporterType { get; }
+
+    public virtual bool CanImport(string importerType) => ImporterType == importerType;
+
+    public abstract void Import(Layer importWorker);
+}