Add Sepsis case study using causal discovery

[marvin-hansen]

Add a case study about a multi-state causal discovery process on the Kaggle Sepsis Data

1. Stage

• Load data
• Rank features

2. Stage

• Discovery causal relatioins in data
• Translate causal relations into Causaloids / Causal Collections

3. Stage

• Build Causal model with DeepCausality
• Test and validate causal model

Sepsis Data:
https://www.kaggle.com/datasets/salikhussaini49/prediction-of-sepsis

CDL / Causal Discovery langu:
https://github.com/deepcausality-rs/deep_causality/tree/main/deep_causality_discovery

SURD publication:
https://arxiv.org/pdf/2505.10878