Spring JdbcClient should be exposed JdbcTemplate

I think JdbcClient should be exposed JdbcTemplate like NamedParameterJdbcTemplate or AbstractJdbcCall.

Comment From: snicoll

Thanks for the suggestion but the analogy is not the same. NamedParameterJdbcTemplate provides additional features on top of JdbcTemplate while JdbcClient is a new API that uses JdbcTemplate internally.