add bioimage analysis exercises

add difficulty levels for NM algorithm

Add difficulty levels

Add files via upload

Delete 3_seq_analysis/2_needlemann-wunsch.ipynb

Delete 3_seq_analysis/1_3_functions.ipynb

update foldchange

Add files via upload

update volcano plot

Update omics exercises

Delete 2_omics/3_volcano_plot.ipynb

Delete 2_omics/normalized_counts.csv

Delete 2_omics/experiment_design.txt

Delete 2_omics/1_2_conditionals_and_loops.ipynb

Add transcription and translation exercise

Add more python exercises

Cosmetics for days 4 and 5

Merge day 4 notebooks

Remove checkpoints

Add config and materials for last two days

Upload learning material for first 3 days

Create README.md

Initial commit