Added try/catch for 'Demo data' project for error cases

AsbCloudDbDemoData/Program.cs

@@ -18,6 +18,8 @@ namespace AsbCloudDbDemoData
                 return;
             }
 
+            try
+            {
                 var options = new DbContextOptionsBuilder<AsbCloudDbContext>()
                     .UseNpgsql("Host=localhost;Database=postgres;Username=postgres;Password=q;Persist Security Info=True")
                     .Options;
@@ -297,5 +299,10 @@ namespace AsbCloudDbDemoData
                 else
                     Console.WriteLine("Ошибка при добавлении данных");
             }
+            catch(Exception ex)
+            {
+                Console.WriteLine(ex.Message);
+            }
+        }
     }
 }