Submodules

See Demystifying git submodules

Command to run after first cloning a repo that uses submodules:

git submodule update --init --recursive

if submodule has been updated on remote, then run this after git pull:

git submodule update

Keep fork updated

git remote add upstream https://github.com/adityatelange/hugo-PaperMod.git
git fetch upstream/master