feat: add vicsek model

[jung235]

Add VicsekModel.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 29.47368% with 67 lines in your changes are missing coverage. Please review.

Project coverage is 54.89%. Comparing base (ce90c83) to head (c9c3c05).
Report is 1 commits behind head on main.

❗ Current head c9c3c05 differs from pull request most recent head 52b298b. Consider uploading reports for the commit 52b298b to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #10      +/-   ##
==========================================
- Coverage   56.71%   54.89%   -1.83%     
==========================================
  Files          32       33       +1     
  Lines        1035     1124      +89     
==========================================
+ Hits          587      617      +30     
- Misses        448      507      +59     

Files	Coverage Δ
pydiffuser/__init__.py	100.00% <ø> (ø)
pydiffuser/_cli/cli_utils.py	0.00% <ø> (ø)
pydiffuser/models/__init__.py	100.00% <100.00%> (ø)
pydiffuser/models/core/base.py	83.83% <87.50%> (+1.04%)	⬆️
pydiffuser/models/core/sde.py	27.63% <0.00%> (ø)
pydiffuser/models/vicsek.py	24.39% <24.39%> (ø)

... and 1 file with indirect coverage changes