Update mannahatta.md

[render[bot]]

Your Render PR Server URL is https://lenape-timetree-dev-pr-239.onrender.com.

Follow its progress at https://dashboard.render.com/static/srv-ci1ojll269vdi1k84940.

[render[bot]]

Your Render PR Server URL is https://lenape-timetree-dev-old-pr-239.onrender.com.

Follow its progress at https://dashboard.render.com/static/srv-ci1ojlt269vdi1k849e0.

[codecov[bot]]

Codecov Report

Merging #239 (58d45fe) into develop (9c4ac55) will not change coverage. The diff coverage is n/a.

@@           Coverage Diff            @@
##           develop     #239   +/-   ##
========================================
  Coverage    15.97%   15.97%           
========================================
  Files            9        9           
  Lines          751      751           
  Branches       146      146           
========================================
  Hits           120      120           
  Misses         547      547           
  Partials        84       84