Preliminary support of symfc

[atztogo]

Symfc can be used to calculate supercell fc3.

• Added --symfc option.
• Cutoff distance is not supported yet.
• Most of tests with ALM were replaced by those using symfc except for those using cutoff distance.

[codecov]

Codecov Report

Attention: Patch coverage is 97.14286% with 1 line in your changes missing coverage. Please review.

Project coverage is 66.34%. Comparing base (a5a5615) to head (ce96f84).
Report is 90 commits behind head on develop.

Files	Patch %	Lines
phono3py/cui/phono3py_argparse.py	0.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           develop     #238      +/-   ##
===========================================
+ Coverage    65.10%   66.34%   +1.24%     
===========================================
  Files           71       72       +1     
  Lines        12693    12638      -55     
===========================================
+ Hits          8264     8385     +121     
+ Misses        4429     4253     -176     

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