[DOCS] Added 6.2.2 draft
[DOCS] Added 6.2.2 draft

Original commit: elastic/x-pack-elasticsearch@41ed8719ebc13a9a84ead5dfa64a88e18ebcb769

strapdata/elassandra,strapdata/elassandra,vroyer/elassandra,strapdata/elassandra,vroyer/elassandra,strapdata/elassandra,strapdata/elassandra,vroyer/elassandra