Add Visual Studio Code project folder to gitignore file.

Bug: none
Change-Id: Idd77a1c3d5ed5f904a5cd22eff94cbc6c7cc14d7
Reviewed-on: https://webrtc-review.googlesource.com/c/118685
Commit-Queue: Konrad Hofbauer <hofbauer@webrtc.org>
Reviewed-by: Sergey Silkin <ssilkin@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#26348}
diff --git a/.gitignore b/.gitignore
index 2104635..7de75c9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -66,4 +66,5 @@
 /rtc_tools/testing/golang/*/*.zip
 /x86-generic_out/
 /xcodebuild
+/.vscode
 !webrtc/*