minor fixes

.gitignore

json/tutorial.json

json/tutorialInit.json

julia/examples/rhinoTest.jl

julia/examples/rhinoTestChiral.jl

julia/examples/tendon.jl

julia/examples/voxelDesigner.jl

julia/examples/wing copy.jl

julia/examples/wing.jl

jupyter/MetaVoxel_Tutorial.ipynb

...er/Multi-Structure Concurrent Topology Optimization.ipynb

voxel_designer/julia/include/_topologyOptimization.jl

voxel_designer/julia/include/concurrent2D.jl

voxel_designer/julia/include/concurrent3d.jl