F #3227: GOCA - Add go.mod
F #3227: GOCA - Add go.mod

Co-authored-by: Pierre Lafievre <745bdc6e1e9e40a40eb59dcf00d1c315c37a5462@iguanesolutions.com>

OpenNebula/one,OpenNebula/one,atodorov-storpool/one,atodorov-storpool/one,atodorov-storpool/one,atodorov-storpool/one,OpenNebula/one,baby-gnu/one,baby-gnu/one,atodorov-storpool/one,baby-gnu/one,atodorov-storpool/one,OpenNebula/one,baby-gnu/one,baby-gnu/one,baby-gnu/one,baby-gnu/one,atodorov-storpool/one,OpenNebula/one,OpenNebula/one,atodorov-storpool/one,OpenNebula/one,atodorov-storpool/one,OpenNebula/one,baby-gnu/one,OpenNebula/one