adds a link to contributor for inspec tests
adds a link to contributor for inspec tests

Signed-off-by: Dang H. Nguyen <3e26f8b68a283a1e8379b8ca222ac7b7cf6d46d8@disney.com>

chef-cookbooks/chef-splunk,chef-cookbooks/chef-splunk,chef-cookbooks/chef-splunk