Merge branch 'linux' into doc_poo

source/concept/index.rst

source/concept/system/general.md

source/concept/system/images/archi_detaillee.png

source/concept/system/images/nmap.png

source/concept/system/images/old_computers.png

source/concept/system/images/ruban-turing.jpg

source/concept/system/images/traceroute.png

source/concept/system/index.rst

source/concept/system/use_case.md

source/dev-vitis/index.rst

source/dev-vitis/vai/dev.md

source/dev-vitis/vai/generation.md

source/dev-vitis/vai/images/pyinstaller-logo.png

source/dev-vitis/vai/index.rst

source/dev-vitis/vai/presentation.md

source/index.rst

source/tools/git/advanced.md

source/tools/git/basics.md

source/tools/git/index.rst

source/tools/git/outils.md