Doc: Fix/update/add/prettify some pypesto.profile documentation

[dweindl]

Fix/update/add/prettify some pypesto.profile documentation

👀 https://pypesto--1149.org.readthedocs.build/en/1149/api/pypesto.profile.html
👀 https://pypesto--1149.org.readthedocs.build/en/1149/api/pypesto.profile.profile_next_guess.html

[codecov-commenter]

Codecov Report

Merging #1149 (dab39d0) into develop (160c2a8) will decrease coverage by 6.48%.
Report is 403 commits behind head on develop.
The diff coverage is 87.56%.

❗ Your organization needs to install the Codecov GitHub app to enable full functionality.

@@             Coverage Diff             @@
##           develop    #1149      +/-   ##
===========================================
- Coverage    88.16%   81.69%   -6.48%     
===========================================
  Files           79      148      +69     
  Lines         5257    11649    +6392     
===========================================
+ Hits          4635     9517    +4882     
- Misses         622     2132    +1510     

Files	Coverage Δ
pypesto/C.py	100.00% <100.00%> (ø)
pypesto/__init__.py	100.00% <100.00%> (ø)
pypesto/engine/__init__.py	100.00% <100.00%> (ø)
pypesto/engine/multi_process.py	93.10% <100.00%> (+0.79%)	⬆️
pypesto/engine/multi_thread.py	100.00% <100.00%> (ø)
pypesto/engine/single_core.py	100.00% <100.00%> (ø)
pypesto/engine/task.py	100.00% <100.00%> (ø)
pypesto/ensemble/__init__.py	100.00% <100.00%> (ø)
pypesto/ensemble/task.py	100.00% <100.00%> (ø)
pypesto/hierarchical/__init__.py	100.00% <100.00%> (ø)
... and 138 more

[PaulJonasJost]

Thanks a lot.