feat: Combine multiple examples to one

[Masara]

Closes #139

Summary of Changes

Multiple example docstrings are now combined to one big example docstrings will now each have an example block in Safe-DS docstrings. Previously only the first docstring was saved and others where ignored.

[github-actions[bot]]

🦙 MegaLinter status: ✅ SUCCESS

Descriptor	Linter	Files	Fixed	Errors	Elapsed time
✅ PYTHON	black	3	0	0	0.9s
✅ PYTHON	mypy	3		0	5.48s
✅ PYTHON	ruff	3	0	0	0.04s
✅ REPOSITORY	git_diff	yes		no	0.03s

See detailed report in MegaLinter reports _Set VALIDATE_ALL_CODEBASE: true in mega-linter.yml to validate all sources, not only the diff_

_MegaLinter is graciously provided by _

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 99.56%. Comparing base (48ad9da) to head (545d806). Report is 19 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #152 +/- ## ======================================= Coverage 99.56% 99.56% ======================================= Files 25 25 Lines 2516 2521 +5 ======================================= + Hits 2505 2510 +5 Misses 11 11 ```

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

[lars-reimann]

@Masara Needs conflict resolution.