working customer post, get and delete

AB.Persistence/Repos/UnitOfWork.cs

@@ -0,0 +1,19 @@
+using AB.Domain.Repositories;
+
+namespace AB.Persistence.Repos;
+
+public class UnitOfWork : IUnitOfWork
+{
+
+    private readonly RepoDbContext _dbContext;
+
+    public UnitOfWork(RepoDbContext dbContext)
+    {
+        _dbContext = dbContext;
+    }
+
+    public Task<int> SaveChangesAsync(CancellationToken cancellationToken)
+    {
+        return _dbContext.SaveChangesAsync(cancellationToken);
+    }
+}