Ignore tmp/rubocop_cache directories

This commit ignores the temporary cache directories that I _think_ are created by the VSCode Ruby extension.

Ignore tmp/rubocop_cache directories
6fa7fddd · Nathan Friend · 671fadf1 · 6fa7fddd
Unverified Commit 6fa7fddd authored 5 years ago by Nathan Friend
--- a/.gitignore
+++ b/.gitignore
@@ -79,3 +79,4 @@ package-lock.json
 /junit_*.xml
 /coverage-frontend/
 jsdoc/
+**/tmp/rubocop_cache/**
\ No newline at end of file