deploy site to leanDI "zip/unzip" repo

merged with Matthias' "Site switched form github to nexus"
https://github.wdf.sap.corp/d041356/holos/blob/12c3c410f9c4cd8430874b34c8ba3acd0a9ce472/pom.xml

Change-Id: Ia7473af5c3802793191072941873b45946133bc2