add tutorial on controller tuning from experimental data

[baggepinnen]

No description provided.

[codecov]

Codecov Report

All modified lines are covered by tests ✅

Comparison is base (dc231f0) 92.72% compared to head (1249b1c) 91.21%.

❗ Current head 1249b1c differs from pull request most recent head 42d474d. Consider uploading reports for the commit 42d474d to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #883      +/-   ##
==========================================
- Coverage   92.72%   91.21%   -1.52%     
==========================================
  Files           5        5              
  Lines         330      330              
==========================================
- Hits          306      301       -5     
- Misses         24       29       +5     

see 1 file with indirect coverage changes

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[JuliaControlBot]

This is an automated message.
Plots were compared to references. 11/11 images have changed, see differences below.
After pulling this PR, please update the reference images by creating a PR to ControlExamplePlots.jl here.

Difference	Reference Image	New Image
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