add citation information about mesa-geo

[wang-boyu]

Closes #110.

[codecov]

Codecov Report

Base: 78.54% // Head: 78.54% // No change to project coverage 👍

Coverage data is based on head (0879fc6) compared to base (d67fec9).
Patch has no changes to coverable lines.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #117   +/-   ##
=======================================
  Coverage   78.54%   78.54%           
=======================================
  Files           8        8           
  Lines         620      620           
  Branches       99       99           
=======================================
  Hits          487      487           
  Misses        116      116           
  Partials       17       17           

Help us with your feedback. Take ten seconds to tell us how you rate us. Have a feature suggestion? Share it here.

☔ View full report at Codecov.
📢 Do you have feedback about the report comment? Let us know in this issue.

[rht]

LGTM