[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/Luatrauma.props

@@ -1,12 +1,15 @@
 <Project>
   <ItemGroup>
     <PackageReference Include="Luatrauma.Internal.AssemblyPublicizer.MSBuild" Version="0.1.4" />
-    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Scripting" Version="4.1.0" />
-    <PackageReference Include="MonoMod.RuntimeDetour" Version="25.2.3" />
-    <PackageReference Include="HarmonyX" Version="2.14.0" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.11.0" />
+    <PackageReference Include="HarmonyX" Version="2.13.0" />
     <PackageReference Include="Sigil" Version="5.0.0" />
     <PackageReference Include="LightInject" Version="6.6.4" />
     <PackageReference Include="QuikGraph" Version="2.5.0" />
+    <PackageReference Include="OneOf" Version="3.0.271" />
+    <PackageReference Include="FluentResults" Version="3.16.0" />
+    <PackageReference Include="Basic.Reference.Assemblies" Version="1.7.9" />
+    <PackageReference Include="ImpromptuInterface " Version="8.0.4" />
     <ProjectReference Include="$(MSBuildThisFileDirectory)..\..\Libraries\moonsharp\MoonSharp.Interpreter\MoonSharp.Interpreter.csproj" />
     <ProjectReference Include="$(MSBuildThisFileDirectory)..\..\Libraries\moonsharp\MoonSharp.VsCodeDebugger\MoonSharp.VsCodeDebugger.csproj" />
   </ItemGroup>