provisioner/ansible: Add documentation howto use with chroot
provisioner/ansible: Add documentation howto use with chroot

Closes #3583

pecigonzalo/packer,rnaveiras/packer,KohlsTechnology/packer,grubernaut/packer,taliesins/packer,timsutton/packer,rnaveiras/packer,taliesins/packer,pvandervelde/packer,paulmey/packer,pecigonzalo/packer,dave2/packer,c22/packer,hashicorp/packer,youhong316/packer,pecigonzalo/packer,grubernaut/packer,mitchellh/packer,timsutton/packer,dayglojesus/packer,bryson/packer,atlassian/packer,sean-/packer,grubernaut/packer,zhuzhih2017/packer,pvandervelde/packer,dayglojesus/packer,rickard-von-essen/packer,ChrisLundquist/packer,zhuzhih2017/packer,atlassian/packer,jen20/packer,quantang/packer,markpeek/packer,mitchellh/packer,mkuzmin/packer,timsutton/packer,KohlsTechnology/packer,tb3088/packer,mkuzmin/packer,jen20/packer,zhuzhih2017/packer,rnaveiras/packer,sneal/packer,tsmolka/packer,grubernaut/packer,c22/packer,grubernaut/packer,ricardclau/packer,routelastresort/packer,markpeek/packer,pvandervelde/packer,smaato/packer,arizvisa/packer,sneal/packer,tb3088/packer,bryson/packer,KohlsTechnology/packer,quantang/packer,quantang/packer,KohlsTechnology/packer,ricardclau/packer,mafrosis/packer,tas50/packer,tsmolka/packer,routelastresort/packer,bryson/packer,timsutton/packer,pieter-lazzaro/packer,dave2/packer,mitchellh/packer,markpeek/packer,sneal/packer,tsmolka/packer,rnaveiras/packer,paulmey/packer,sean-/packer,routelastresort/packer,jimmythedog/packer,quantang/packer,hashicorp/packer,youhong316/packer,tas50/packer,c22/packer,mafrosis/packer,arizvisa/packer,tb3088/packer,arizvisa/packer,dayglojesus/packer,ricardclau/packer,paulmey/packer,mkuzmin/packer,tb3088/packer,pieter-lazzaro/packer,bryson/packer,pecigonzalo/packer,jen20/packer,taliesins/packer,grubernaut/packer,rickard-von-essen/packer,ricardclau/packer,p1-nico/packer,smaato/packer,zhuzhih2017/packer,p1-nico/packer,hashicorp/packer,tb3088/packer,tsmolka/packer,tas50/packer,p1-nico/packer,tas50/packer,paulmey/packer,jimmythedog/packer,paulmey/packer,c22/packer,mitchellh/packer,dave2/packer,jimmythedog/packer,bryson/packer,jen20/packer,markpeek/packer,arizvisa/packer,smaato/packer,jen20/packer,youhong316/packer,KohlsTechnology/packer,mafrosis/packer,mkuzmin/packer,arizvisa/packer,pvandervelde/packer,boumenot/packer,ricardclau/packer,arizvisa/packer,routelastresort/packer,ChrisLundquist/packer,youhong316/packer,pieter-lazzaro/packer,smaato/packer,atlassian/packer,sneal/packer,mkuzmin/packer,sean-/packer,dave2/packer,rickard-von-essen/packer,atlassian/packer,boumenot/packer,timsutton/packer,atlassian/packer,sean-/packer,dayglojesus/packer,smaato/packer,ChrisLundquist/packer,rnaveiras/packer,dayglojesus/packer,hashicorp/packer,mafrosis/packer,boumenot/packer,jimmythedog/packer,sean-/packer,zhuzhih2017/packer,markpeek/packer,taliesins/packer,pieter-lazzaro/packer,pieter-lazzaro/packer,tas50/packer,tsmolka/packer,jimmythedog/packer,dave2/packer,ChrisLundquist/packer,bryson/packer,pvandervelde/packer,jen20/packer,mkuzmin/packer,paulmey/packer,p1-nico/packer,p1-nico/packer,dave2/packer,timsutton/packer,ChrisLundquist/packer,markpeek/packer,youhong316/packer,pieter-lazzaro/packer,c22/packer,tb3088/packer,KohlsTechnology/packer,boumenot/packer,mitchellh/packer,taliesins/packer,ricardclau/packer,p1-nico/packer,c22/packer,ChrisLundquist/packer,zhuzhih2017/packer,taliesins/packer,rickard-von-essen/packer,youhong316/packer,pvandervelde/packer,routelastresort/packer,rnaveiras/packer,smaato/packer,quantang/packer,mafrosis/packer,sean-/packer,atlassian/packer,sneal/packer,rickard-von-essen/packer,boumenot/packer,tsmolka/packer,tas50/packer