Database migration, repository, controller and service

Interfaces/IRepository.cs

@@ -0,0 +1,11 @@
+namespace PaperlessAI.Interfaces;
+
+public interface IRepository<T>
+{
+    Task Add(T model, bool persist = true);
+    Task Remove(T model, bool persist = true);
+    Task Update(T model, bool persist = true);
+    Task<T?> Get(long id);
+    Task<List<T>> GetAll();
+    
+}