Feature Updates

• Feature: Find the subgroup for a subtle symmetry_prec

• Feature: output the hardware information in both the command line and the running_scf.log 

• Feature: improve implementation of kerker preconditioner 

• Feature: implementation of deltaspin

• Bug fix: bug when nspin=2, fixed smearing 

More information about latest updates (e.g. Test, Refactor, Bug fix and Documentation) can be found on our Github or Gitee repositories