Docs: fix indentation in opens-chef-install.rst
Docs: fix indentation in opens-chef-install.rst

anortef/calico,TrimBiggs/calico,beddari/calico,Metaswitch/calico,alexhersh/calico,neiljerram/felix,nbartos/calico,anortef/calico,beddari/calico,ocadotechnology/calico,neiljerram/felix,nbartos/calico,matthewdupre/felix,Metaswitch/calico,alexhersh/calico,kasisnu/calico,matthewdupre/felix,ocadotechnology/calico,neiljerram/felix,TrimBiggs/calico,kasisnu/calico,neiljerram/felix