Add "/" route redirect to GH repo

HoolIt/Program.cs

@@ -17,6 +17,9 @@ var subscribers = new ConcurrentDictionary<string, List<StreamWriter>>();
 var cancellationSources =
     new ConcurrentDictionary<string, CancellationTokenSource>(); // To manage cancellation per feedId
 
+
+app.MapGet("/", () => Results.Redirect("https://github.com/mmahdium/HoolIt"));
+
 // HAPI!
 // https://github.com/jheising/HAPI
 var createApi = app.MapGroup("/dweet/for");