Add exercises and update library utilities

Re-add Library_project after removing submode

Add Library_project and update other files

Add Library_project and update README

Force overwrite: keeping local version of shopping_card project structure

Add requirements.py to shopping_card

Add main.py to shopping_card

Convert computer_basics from submodule to folder and add shopping_card package

Add scikilearn

Add dataio subfolder inside experiment

Add computer_basics directory

Initial commit