Feature Updates

• Feature: Add GPU Baseline for ABACUS

• Feature: Add out_dm1 which prints dm_r in sparse format

• Feature: Total magnetization can be constrained by updown

• Compilation: Make ELPA optional

• Compilation: Add elpa_openmp 

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