feat: list e insert

Data/SqliteClientRepository.cs

@@ -66,7 +66,7 @@ namespace Workshop8.Data
             cmd.Parameters.Add(new SqliteParameter("@email", c.Email));
             cmd.Parameters.Add(new SqliteParameter("@criadoEm", c.CriadoEm));
 
-            await using cmd.ExecuteNonQueryAsync();
+            await cmd.ExecuteNonQueryAsync();
             
         }