Improve documentation for Line Emission

[lmachadopolettivalle]

• Improve documentation in line emission example notebook
• Rerun script to verify it runs end to end

[codecov[bot]]

Codecov Report

All modified lines are covered by tests :white_check_mark:

Comparison is base (eaaeb53) 73.84% compared to head (6f9821d) 70.61%. Report is 1 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #520 +/- ## ========================================== - Coverage 73.84% 70.61% -3.23% ========================================== Files 35 35 Lines 3907 3907 ========================================== - Hits 2885 2759 -126 - Misses 1022 1148 +126 ``` | [Files](https://app.codecov.io/gh/i4Ds/Karabo-Pipeline/pull/520?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=i4Ds) | Coverage Δ | | |---|---|---| | [karabo/version.py](https://app.codecov.io/gh/i4Ds/Karabo-Pipeline/pull/520?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=i4Ds#diff-a2FyYWJvL3ZlcnNpb24ucHk=) | `100.00% <100.00%> (ø)` | | ... and [2 files with indirect coverage changes](https://app.codecov.io/gh/i4Ds/Karabo-Pipeline/pull/520/indirect-changes?src=pr&el=tree-more&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=i4Ds)

:umbrella: View full report in Codecov by Sentry.
:loudspeaker: Have feedback on the report? Share it here.

[lmachadopolettivalle]

@deiruch Since we agreed on removing PINOCCHIO, I have skipped its test for this PR. Once this is merged, I will submit a new PR for the removal of the code and its tests.