Missing doc about setting up git for symlinks

[sindharta]

git config --local core.symlinks true
git config --global core.symlinks true

[sindharta]

For this doc: Create Symbolic Links on Windows 10

[sindharta]

Broken link in
https://github.com/Unity-Technologies/MeshSyncDCCPlugins/blob/dev/Plugins~/Docs/en/MakeOptionalArguments.md
"all supported DCC tools "

[sindharta]

Fixed