Cp llm new attempt

[pat-alt]

• Adds a how-to guide showing how to conformalise an LLM
• fixes small bug in adaptive classification
• fixes small bug related to image inputs for MLJFlux

[codecov-commenter]

Codecov Report

Merging #70 (5c34108) into main (c4f1ad3) will decrease coverage by 0.31%.
The diff coverage is 73.33%.

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@@            Coverage Diff             @@
##             main      #70      +/-   ##
==========================================
- Coverage   84.50%   84.20%   -0.31%     
==========================================
  Files          14       14              
  Lines         723      728       +5     
==========================================
+ Hits          611      613       +2     
- Misses        112      115       +3     

Impacted Files	Coverage Δ
src/conformal_models/conformal_models.jl	92.30% <ø> (ø)
...formal_models/training/inductive_classification.jl	0.00% <0.00%> (ø)
...rc/conformal_models/transductive_classification.jl	100.00% <ø> (ø)
src/conformal_models/inductive_classification.jl	97.59% <100.00%> (+1.24%)	⬆️

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[pat-alt]

Removed LightGBM because it doesn't run locally (see related)