Add the 5 vertex example in the paper

[codecov[bot]]

Codecov Report

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

Comparison is base (8504e7c) 92.31% compared to head (740955d) 92.32%.

:exclamation: Current head 740955d differs from pull request most recent head 6f38cd8. Consider uploading reports for the commit 6f38cd8 to get more accurate results

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #47 +/- ## ========================================== + Coverage 92.31% 92.32% +0.01% ========================================== Files 16 16 Lines 1418 1420 +2 ========================================== + Hits 1309 1311 +2 Misses 109 109 ```

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[GiggleLiu]

@Wang-Shengtao I created a new notebook, which you could prereview here: https://queracomputing.github.io/UnitDiskMapping.jl/notebooks/unweighted.html