Fix of devfile documentation example link
Fix of devfile documentation example link

Signed-off-by: Max Shaposhnik <9de55643a3d773e4301380320cca1008f6295c29@redhat.com>
davidfestal/che,davidfestal/che,akervern/che,codenvy/che,davidfestal/che,davidfestal/che,akervern/che,akervern/che,akervern/che,davidfestal/che,davidfestal/che,codenvy/che,davidfestal/che,codenvy/che,davidfestal/che,codenvy/che,akervern/che,akervern/che,davidfestal/che,akervern/che,davidfestal/che,akervern/che,akervern/che