.gitignore in newrelic_rpm-6.12.0.367 vs .gitignore in newrelic_rpm-6.13.0

@@ -29,5 +29,8 @@
 test/performance/log/
 test/performance/script/log/
 infinite_tracing/log/
 infinite_tracing/test/new_relic/infinite_tracing/log
 test/fixtures/cross_agent_tests/*/README.md
+node_modules/
+yarn.lock
+errors.txt