installation: prune of examples/static
installation: prune of examples/static

Signed-off-by: Jiri Kuncar <2bdffcb416fed3002465740d19a053a39918cbe5@cern.ch>

inveniosoftware/invenio-search-ui,inveniosoftware/invenio-search-ui,inveniosoftware/invenio-search-ui,inveniosoftware/invenio-search-ui