wikimedia.community: Add Google webmasters tools verification

wikimedia.community is actually a symlink to wikimedia.com. Adding for
now the TXT record in both (although it will probably not work for
wikimedia.com) to move forward with the ticket but it might need
splitting at the future.

Change-Id: I52f7580a2145c486af7efca419ce00fb1d8e79ba
RT: 8068
Merge "wikimedia.community: Add Google webmasters tools verification"