Feature Updates

• Feature: add the output of the energy for all esolver types in abacus.json

• Feature: add command line option --check-input to check input only

• Feature: support nupdown = 0.0 calculation

• Fix: matrix bug in uspp

• Fix: bug in mulliken output

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