add parking times plot output to readme

[mpadge]

No description provided.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 90.71%. Comparing base (5603b52) to head (8e0ee55).
⚠️ Report is 3 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #13      +/-   ##
==========================================
+ Coverage   90.63%   90.71%   +0.08%     
==========================================
  Files          14       14              
  Lines        1142     1142              
==========================================
+ Hits         1035     1036       +1     
+ Misses        107      106       -1     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.