Add chef ignore file
Add chef ignore file

This prevents these files from getting uploaded to the chef server and speeds up first time converges


Former-commit-id: 15e2224eb072065fa00e090bba10911f27af569d
scottymarshall/rundeck,scottymarshall/rundeck,Webtrends/rundeck,Webtrends/rundeck,scottymarshall/rundeck,nilroy/rundeck,nilroy/rundeck,Webtrends/rundeck,nilroy/rundeck