[CodeCamp2023-240]Adding support for Consistency Models

[xiaomile]

clean the old commit message，open a new pr for https://github.com/open-mmlab/mmagic/pull/2045

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[codecov[bot]]

Codecov Report

Attention: Patch coverage is 77.19088% with 190 lines in your changes are missing coverage. Please review.

Project coverage is 78.38%. Comparing base (ef68f11) to head (2659b89). Report is 17 commits behind head on main.

:exclamation: Current head 2659b89 differs from pull request most recent head b9c5000. Consider uploading reports for the commit b9c5000 to get more accurate results

Files	Patch %	Lines
...itors/consistency_models/consistencymodel_utils.py	74.86%	60 Missing and 30 partials :warning:
...ors/consistency_models/consistencymodel_modules.py	79.62%	53 Missing and 13 partials :warning:
...els/editors/consistency_models/consistencymodel.py	76.87%	16 Missing and 18 partials :warning:

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2086      +/-   ##
==========================================
+ Coverage   75.70%   78.38%   +2.68%     
==========================================
  Files         441      445       +4     
  Lines       32295    33189     +894     
  Branches     5082     5210     +128     
==========================================
+ Hits        24449    26016    +1567     
+ Misses       6775     5888     -887     
- Partials     1071     1285     +214     

Flag	Coverage Δ
unittests	78.38% <77.19%> (+2.68%)	:arrow_up:

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