Update examples

[einfachMel]

This PR ...

fixed the not entirely correct example dataset-1.
The download of the uploaded dataset-1 was updated and the output of the optimization of dataset-1 was added as Excel.

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Checklist

Checklist for Contributors

• Unit tests provided?
  Unit tests are needed for new features or to reproduce the bug solved by this PR.
• Documentation updated?
• Unit tests successful
• Code smells (flake8) checked

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[github-actions]

Unit Test Results

    1 files  ±0      1 suites  ±0   42s ⏱️ +9s
400 tests ±0  384 ✔️ ±0  16 💤 ±0  0 ❌ ±0 

Results for commit b81619c. ± Comparison against base commit b23d6ad.

[codecov-commenter]

Codecov Report

Merging #117 (b81619c) into main (8f926a7) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main     #117   +/-   ##
=======================================
  Coverage   79.42%   79.42%           
=======================================
  Files         104      104           
  Lines        2522     2522           
=======================================
  Hits         2003     2003           
  Misses        519      519           

Flag	Coverage Δ
pytest	79.42% <ø> (ø)

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