Merge branch 'file-and-data-systems' into 'main'

_quarto.yml

exercises/file-and-data-systems.qmd

lectures/file-and-data-systems/slides.qmd

...and-data-systems/static/gmd-13-3607-2020-f05-high-res.pdf

...and-data-systems/static/gmd-13-3607-2020-f05-high-res.png

lectures/file-and-data-systems/static/network-overview.png

lectures/file-and-data-systems/static/storage-media.jpg

lectures/file-and-data-systems/timer.ipynb