[Milestone] AssemblyLoader completed.

Details:
- Assembly Mgmt Service for loading now a separate interface, not intended for normal use.
- Assembly Loader work; implemented custom dictionary key and table.
- Assembly loading work.
- EventService completed.
- Moved assembly extensions to ModUtils.cs
- Work to event service.
NetworkService work
- Added ImpromptuInterfaces package.
- Networking Service work to support NetVars
- Event Service
- Added assemblies references package for script compilation. Updated Roslyn version for compatibility.
- Package Loading work.
Swap Harmony to HarmonyX
- More refactor conversion to FluentResults.
- Updated StylesService to return Results.
- Refactor of PackageService partially complete.
- Made IService.Reset() required to return a Result.
- Moved plugin/assembly related code to their own folder (same namespace).
- Updated interfaces to reflect the use of Result<T>.
- Partial refactor, incomplete.
- Added 'FluentResults' so we can stop using cursed Exception-based flow control in loading code.
- Added 'OneOf' nuget package: https://github.com/mcintyre321/OneOf
for the implementation of the Optional<T> pattern and complex discrete return types instead of cursed enums (see current AssemblyManager.cs).
- Reapplied old branch changes.

Barotrauma/BarotraumaShared/SharedSource/LuaCs/Services/_Interfaces/ILocalizationService.cs

@@ -0,0 +1,32 @@
+using System;
+using System.Globalization;
+using System.Collections.Generic;
+using System.Collections.Immutable;
+using Barotrauma.LuaCs.Data;
+
+namespace Barotrauma.LuaCs.Services;
+
+public interface ILocalizationService : IReusableService
+{
+    IReadOnlyCollection<CultureInfo> GetLoadedLocales();
+    void Remove(ImmutableArray<ILocalizationResourceInfo> localizations);
+    FluentResults.Result SetCurrentCulture(CultureInfo culture);
+    FluentResults.Result SetCurrentCulture(string cultureName);
+    FluentResults.Result LoadLocalizations(ImmutableArray<ILocalizationResourceInfo> localizationResources);
+    
+    /// <summary>
+    /// Tries to get a localized string without a fallback. Returns success/failure and associated data.
+    /// </summary>
+    /// <param name="key">Neutral localization key.</param>
+    /// <returns></returns>
+    FluentResults.Result<string> GetLocalizedString(string key);
+    FluentResults.Result<string> GetLocalizedString(string key, CultureInfo targetCulture);
+    string GetLocalizedString(string key, string fallback);
+    string GetLocalizedString(string key, string fallback, CultureInfo targetCulture);
+    FluentResults.Result<string> GetLocalizedStringForPackage(ContentPackage package, string key);
+    FluentResults.Result<string> GetLocalizedStringForPackage(ContentPackage package, string key, CultureInfo targetCulture);
+    string GetLocalizedStringForPackage(ContentPackage package, string key, string fallback);
+    string GetLocalizedStringForPackage(ContentPackage package, string key, string fallback, CultureInfo targetCulture);
+    FluentResults.Result RegisterLocalizationResolver(CultureInfo targetCulture, Func<string, CultureInfo, string> factoryResolver);
+    bool IsCurrentCultureSupported(IResourceCultureInfo culturesInfo);
+}