Fixes and use IONET as sub module

Author: KillzXGaming

.gitmodules

@@ -1,3 +1,6 @@
+[submodule "IONET"]
+	path = IONET
+	url = https://github.com/KillzXGaming/IONET.git
 [submodule "GLFrameworkEngine"]
 	path = GLFrameworkEngine
 	url = https://github.com/MapStudioProject/GLFrameworkEngine
@@ -11,4 +14,4 @@
 [submodule "MPLibrary"]
 	path = MPLibrary
 	url = https://github.com/KillzXGaming/MPLibrary.git
-	branch = master
+	branch = master

IONET

@@ -10,6 +10,7 @@
 
   <ItemGroup>
     <ProjectReference Include="..\..\GLFrameworkEngine\GLFrameworkEngine.csproj" />
+    <ProjectReference Include="..\..\IONET\IONET\IONET.csproj" />
     <ProjectReference Include="..\..\MapStudio.UI\MapStudio.UI.csproj" />
     <ProjectReference Include="..\..\MPLibrary\MPLibrary\MPLibrary.csproj" />
     <ProjectReference Include="..\..\Toolbox.Core\Toolbox.Core.csproj" />
@@ -45,9 +46,6 @@
     <Reference Include="ImGui.NET">
       <HintPath>..\..\Track Studio\Lib\ImGui.NET.dll</HintPath>
     </Reference>
-    <Reference Include="IONET">
-      <HintPath>..\..\Track Studio\Lib\IONET.dll</HintPath>
-    </Reference>
     <Reference Include="Newtonsoft.Json">
       <HintPath>..\..\MapStudio\Lib\Newtonsoft.Json.dll</HintPath>
     </Reference>