Ignore .vscode.

Change-Id: Id2ed606fc627297f6e0c0f21e498e6165af38aab
Reviewed-on: https://skia-review.googlesource.com/c/skcms/+/529459
Auto-Submit: Leandro Lovisolo <lovisolo@google.com>
Reviewed-by: Kevin Lubick <kjlubick@google.com>
Commit-Queue: Kevin Lubick <kjlubick@google.com>
diff --git a/.gitignore b/.gitignore
index 4c45e72..913ca23 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,4 @@
 out
 *.swp
 bazel-*
+.vscode