Add vscode the essentials book, improve associated section#12376

Draft

Mamadou442 wants to merge 3 commits intoEbookFoundation:mainfrom

Mamadou442:add-vscode-the-essentials-book

Commits on Oct 9, 2025

'A Byte of Vim': dead link, missing authors
Mamadou442
committed
'Visual Studio 2019 Succinctly': 'HTML' > 'online'
Mamadou442
committed
Adding 'Visual Studio Code - The Essentials', its authors, format, licence, wip notation
Mamadou442
committed