Squashed commit of the following:

commit a7fa05c
Author: rdeioris <[email protected]>
Date:   Fri Dec 15 11:20:20 2023 +0100

    added base for multithreaded plugins

commit 864dbaf
Merge: a209dd1 abc2f97
Author: rdeioris <[email protected]>
Date:   Fri Dec 15 09:10:01 2023 +0100

    Merge branch 'master' of https://github.com/rdeioris/glTFRuntime

commit a209dd1
Author: rdeioris <[email protected]>
Date:   Fri Dec 15 09:03:08 2023 +0100

    added support for async cubemap

commit abc2f97
Author: Roberto De Ioris <[email protected]>
Date:   Tue Dec 12 12:11:34 2023 +0100

    Update README.md

commit 6a56d35
Author: rdeioris <[email protected]>
Date:   Mon Dec 11 19:12:57 2023 +0100

    added RuntimeLOD Empty

commit b91a3e4
Author: rdeioris <[email protected]>
Date:   Thu Dec 7 17:22:53 2023 +0100

    temporarily disable checks for runtime lods

commit 181160d
Author: rdeioris <[email protected]>
Date:   Wed Dec 6 19:02:45 2023 +0100

    fixed BuildVolumeTexture

commit dc35c0c
Author: rdeioris <[email protected]>
Date:   Wed Dec 6 12:34:48 2023 +0100

    added VolumeTexture support

commit 3c9c9bb
Author: rdeioris <[email protected]>
Date:   Fri Dec 1 16:07:18 2023 +0100

    added GetBaseFilename() api

commit 7ca248b
Author: rdeioris <[email protected]>
Date:   Mon Nov 27 05:40:51 2023 +0100

    bumped version to 20231127

commit 1e4d40a
Author: rdeioris <[email protected]>
Date:   Tue Nov 14 20:00:04 2023 +0100

    quick fix for 5.3 wrong management of TexCoords

README.md

@@ -20,3 +20,19 @@ To support our development, you can [buy glTFRuntime](https://www.unrealengine.c
 - [Assign existing animations to a GLTF SkeletalMesh](https://github.com/rdeioris/glTFRuntime-docs/blob/master/Tutorials/SkeletonRemapping.md) 
 - [Runtime animation retargeting](https://github.com/rdeioris/glTFRuntime-docs/blob/master/Tutorials/RetargetingRPMAndMixamo.md)
 
+### Plugins
+
+glTFRuntime can be extended with support for more file formats.
+
+This is an incomplete list of available plugins:
+
+* https://github.com/rdeioris/glTFRuntimeSTL (STL files support)
+* https://github.com/rdeioris/glTFRuntimeOBJ (OBJ files support)
+* https://github.com/rdeioris/glTFRuntimeVox (MagicaVoxel/Vox files support)
+* https://github.com/rdeioris/glTFRuntimeWebP (WebP textures support)
+* https://github.com/rdeioris/glTFRuntimePointCloud (PointCloud support for glTF, XYZ, PCD)
+* https://github.com/rdeioris/glTFRuntimeKTX2 (KTX2 textures support)
+* https://github.com/rdeioris/glTFRuntimeSTBImage (STB supported images, included HDR) 
+* https://github.com/rdeioris/glTFRuntimeConvexCollisions (Support for convex collisions)
+* https://github.com/rdeioris/glTFRuntimeDraco (Draco compression support)
+* https://github.com/rdeioris/glTFRuntimeAudio (Audio file formats support, WAV, Ogg/Opus, Ogg/Vorbis, Mp3)