Reorganize package: amici.exporters.sundials

[dweindl]

Move modules and templates related to generating C++ code for simulation with sundials solvers to amici.exporters.sundials.

More to be moved later on.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 78.04%. Comparing base (2204711) to head (3d45590).
⚠️ Report is 76 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #3021   +/-   ##
=======================================
  Coverage   78.04%   78.04%           
=======================================
  Files         311      311           
  Lines       20597    20598    +1     
  Branches     1500     1499    -1     
=======================================
+ Hits        16074    16075    +1     
  Misses       4513     4513           
  Partials       10       10           

Flag	Coverage Δ
cpp	70.34% <100.00%> (+<0.01%)	⬆️
cpp_python	36.77% <100.00%> (+<0.01%)	⬆️
petab	45.69% <100.00%> (+<0.01%)	⬆️
petab_sciml	13.65% <100.00%> (+<0.01%)	⬆️
python	69.34% <100.00%> (+<0.01%)	⬆️
sbmlsuite-jax	30.44% <100.00%> (+<0.01%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
python/sdist/amici/__init__.py	93.75% <ø> (ø)
python/sdist/amici/de_model.py	92.51% <ø> (ø)
python/sdist/amici/exporters/sundials/compile.py	68.42% <ø> (ø)
...on/sdist/amici/exporters/sundials/cxx_functions.py	97.14% <ø> (ø)
...n/sdist/amici/exporters/sundials/cxxcodeprinter.py	95.57% <ø> (ø)
python/sdist/amici/exporters/sundials/de_export.py	96.90% <100.00%> (ø)
...thon/sdist/amici/exporters/sundials/model_class.py	100.00% <ø> (ø)
python/sdist/amici/exporters/template.py	100.00% <ø> (ø)
python/sdist/amici/jax/nn.py	94.82% <ø> (ø)
python/sdist/amici/jax/ode_export.py	88.33% <ø> (ø)
... and 2 more

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