Hotfix category, and roll back RTN to 0.1.8 (#192)

* Hotfix categories

Also roll back RTN to 0.1.8 as regression introduced in 0.2

* bump version

src/shared/GlobalUsings.cs

@@ -2,6 +2,7 @@
 
 global using System.Text.Json;
 global using System.Text.Json.Serialization;
+global using System.Text.RegularExpressions;
 global using Dapper;
 global using MassTransit;
 global using Microsoft.AspNetCore.Builder;