Ignore VSCode files

Closes #4488.

PiperOrigin-RevId: 184648112

.gitignore

diff --git a/.gitignore b/.gitignore
index 9b4e4ea..39ffe91 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,6 +8,7 @@
 /.idea/
 /.project
 /.settings
+/.vscode/
 /bazel.iml
 # Ignore all bazel-* symlinks. There is no full list since this can change
 # based on the name of the directory bazel is cloned into.