123marble

Results 3 issues of 123marble

![image](https://github.com/UuuNyaa/blender_mmd_uuunyaa_tools/assets/63887804/240b9abc-fac7-46bc-ac2a-3c4e114e200b) I'm using Blender==3.6.5, blender_mmd_tools==2.10.0, and blender_mmd_uuunyaa_tools==1.7.2 I simply used rigify to create the model rig but when I convert to mmd and import the motion the legs come out...

When hovering over v in the code below, LSP shows T instead of vector, rather than the correct type based on use. ```luau export type vector = { x :...

It would be great to add Luau type checking to this library to improve type safety and better integrate with Roblox. Would you be open to a PR for this?