- Finished most of LuaCsSetup top-level functionality.

- Removed some unneeded interface definitions.
- Clean-slated some Services that need to be re-written.

Barotrauma/BarotraumaClient/ClientSource/LuaCs/Services/IStylesManagementService.cs

@@ -0,0 +1,13 @@
+using System.Collections.Immutable;
+using System.Threading.Tasks;
+using Barotrauma.LuaCs.Data;
+
+namespace Barotrauma.LuaCs.Services;
+
+public interface IStylesManagementService : IReusableService
+{
+    Task<FluentResults.Result> LoadStylesAsync(ImmutableArray<IStylesResourceInfo> styles);
+    FluentResults.Result<IStylesService> GetStylesService(ContentPackage package);
+    Task<FluentResults.Result> DisposeAllStyles();
+    Task<FluentResults.Result> DisposeStylesForPackage(ContentPackage package);
+}