feat(renderer): implement texture binding with texture unit support

- Added generate_new_uuid function for unique identifier generation
- Included stduuid/uuid.h and declared generate_new_uuid in pch.h
- Added bindTexture overload to accept Texture object and texture unit
- Implemented texture unit validation and OpenGL texture activation
- Added Texture class declaration in RenderSystem header
- Updated project files to include new model and utility headers/sources
- Configured C++20 standard in Vivid2D project settings
- Fixed namespace references in Vivid2D.cpp for Buffer classes

Vivid2D/Vivid2D.vcxproj

@@ -122,6 +122,7 @@
       <SDLCheck>true</SDLCheck>
       <PreprocessorDefinitions>NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
+      <LanguageStandard>stdcpp20</LanguageStandard>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>