bug(chartjs/zonejs): dependency conflict while creating new container

Change-Id: I86db7b06a315581bc792a17a3ad81334e5d290d1
Signed-off-by: bravof <fbravo@whitestack.com>
diff --git a/.gitignore b/.gitignore
index 9a88115..3ff03e0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -24,6 +24,7 @@
 # dependencies
 /node_modules
 package-lock.json
+yarn.lock
 
 # profiling files
 chrome-profiler-events.json