Add .vscode folder to .gitignore.
Add .vscode folder to .gitignore.

iree-org/iree,iree-org/iree,iree-org/iree,iree-org/iree,google/iree,iree-org/iree,google/iree,google/iree,google/iree,google/iree,iree-org/iree,iree-org/iree,google/iree,google/iree