bare soil site

[kmdeck]

Purpose

Add a test with data for a bare soil fluxnet site.

To-do

[]clean up sim scripts
[] verify plots

Content

Add experiment to buildkite

Review checklist

I have:

• followed the codebase contribution guide: https://clima.github.io/ClimateMachine.jl/latest/Contributing/
• followed the style guide: https://clima.github.io/ClimateMachine.jl/latest/DevDocs/CodeStyle/
• followed the documentation policy: https://github.com/CliMA/policies/wiki/Documentation-Policy
• checked that this PR does not duplicate an open PR.

In the Content, I have included

• relevant unit tests, and integration tests,
• appropriate docstrings on all functions, structs, and modules, and included relevant documentation.

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• I have read and checked the items on the review checklist.

[kmdeck]

Closing, because we are now using this to test the snow/soil model, branch kd/snow_soil