Include mysql helper script in README
Include mysql helper script in README

Signed-off-by: jawabuu <6e4bdaee23d66a63fc5b39cfa40c611eea7ca7eb@users.noreply.github.com>

tinyspeck/vitess,tinyspeck/vitess,vitessio/vitess,mahak/vitess,tinyspeck/vitess,tinyspeck/vitess,vitessio/vitess,vitessio/vitess,mahak/vitess,tinyspeck/vitess,vitessio/vitess,mahak/vitess,tinyspeck/vitess,mahak/vitess,mahak/vitess,mahak/vitess,vitessio/vitess,vitessio/vitess,tinyspeck/vitess,mahak/vitess,vitessio/vitess,vitessio/vitess,mahak/vitess