Put this repo to ~/.config/VSCodium/User/ for VSCodium and to ~/.config/Code/User/ for VSCode. Remember to change paths in the .../User/settings.json (and probably other files) depending on wether you use VSCodium or VSCode.
To install extensions from extensions.txt run:
while read extension; do
codium --install-extension "$extension"
done < extensions.txtAfter adding / removing new extension, you can save updated list by running:
codium --list-extensions > extensions.txt