HADOOP-18774. Add .vscode to gitignore. (#5756). Contributed by Xiaoqiao He.

Signed-off-by: Ayush Saxena <ayushsaxena@apache.org>

.gitignore

@@ -11,6 +11,7 @@
 *.patch
 *.diff
 .idea
+.vscode
 .svn
 .classpath
 .project