pgxn group web pages

This repos currently contains the documentation for pgxnclient.

Available on https://pgxn.github.io/pgxnclient/

Workflow to update is sort of:

git clone --recursive git@github.com:pgxn/pgxn.github.io.git
cd pgxn.github.io
make
git add --all
git commit -m "Website updated on $(date)"
git push