Doc: Include hdf5 functions in Python API doc

[dweindl]

• requires libhdf5 on RTD
• exclude developer info from API doc
• minor doc fixes

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 77.58%. Comparing base (e77fabb) to head (70597d6).
Report is 1 commits behind head on develop.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #2606      +/-   ##
===========================================
- Coverage    77.60%   77.58%   -0.02%     
===========================================
  Files          329      329              
  Lines        21708    21708              
  Branches      1477     1477              
===========================================
- Hits         16846    16843       -3     
- Misses        4851     4854       +3     
  Partials        11       11              

Flag	Coverage Δ
cpp	73.46% <ø> (-0.02%)	⬇️
cpp_python	34.14% <ø> (ø)
petab	36.95% <ø> (ø)
python	72.19% <ø> (-0.01%)	⬇️

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Files with missing lines	Coverage Δ
include/amici/solver.h	94.11% <ø> (ø)

... and 3 files with indirect coverage changes