Editora 0.20.0. Archived, so links from that release keep working. Read the 0.24.0 page →
Git: Stage All Changes
git.stageAll Stage every change in the repository (git add -A).
How to run it
Open the command palette (M-x in the Emacs keymap) and search for Git: Stage All Changes, then press Enter. It has no default keybinding, but you can bind one in Settings → Keymaps.