readme: Add pointers to where to reach us
readme: Add pointers to where to reach us

Signed-off-by: Fabian Deutsch <de69c509e52dfe544d526a81279fe21e1252748c@redhat.com>

kubevirt/kubevirt,admiyo/kubevirt,kubevirt/kubevirt,kubevirt/kubevirt,sungwonh/kubevirt,davidvossel/kubevirt,davidvossel/kubevirt,stu-gott/kubevirt,kubevirt/kubevirt,rmohr/kubevirt,fabiand/kubevirt,davidvossel/kubevirt,stu-gott/kubevirt,stu-gott/kubevirt,mpolednik/kubevirt,davidvossel/kubevirt,mpolednik/kubevirt,rmohr/kubevirt,stu-gott/kubevirt,fabiand/kubevirt,sungwonh/kubevirt,admiyo/kubevirt