Add readmes for subfolder

ContextEmbedding/README.md

+### Note
+
+Here, you find the scripts used for the context embedding computations. They were designed for personal usage and may require manual work to be executed on your machine.

Evaluation/README.md

+### Note
+
+Here, you can find the evaluation scripts used to create the plots of this thesis. However, they were designed for personal usage and may contain absolute paths and other specific adjustments. To execute the evaluations, you may need to do manual adjustments. `comparison_data.py` is the main script, where you add paths to the vaccine peptide sets you like to evaluate.

HOGVAX/README.md

-conda env create -f hogvax_env.yaml
-conda activate hogvax_env
-python hogvax_data.py [arguments]