Color Relief: Alternative #2: new "elevation" layer type

[NathanMOlson]

No description provided.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 93.68%. Comparing base (478dee0) to head (82d9db9).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1099   +/-   ##
=======================================
  Coverage   93.67%   93.68%           
=======================================
  Files         115      115           
  Lines        4934     4937    +3     
  Branches     1403     1405    +2     
=======================================
+ Hits         4622     4625    +3     
  Misses        312      312           

☔ 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.
• 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.