Make the README use a single type in examples. (#26098)
Make the README use a single type in examples. (#26098)

It currently indexes both users and tweets as their own types.

Closes #25978
vroyer/elassandra,vroyer/elasticassandra,strapdata/elassandra,strapdata/elassandra,vroyer/elasticassandra,vroyer/elassandra,strapdata/elassandra,strapdata/elassandra,strapdata/elassandra,vroyer/elassandra,vroyer/elasticassandra