The documentation-panel is based on the buildin grafana text-panel
Just clone the documentation-panel repository to your grafana plugin dir. See official documentation for more information.
git clone https://github.com/mmethner/documentation-panel.git
sudo service grafana-server restart
First working version as example how to extend the text panel. See https://groups.io/g/grafana/message/2236
First build:
npm install
grunt
To start grafana with a local copy run
docker build -t documentation-panel .
docker run -p3000:3000 documentation-panel
Login with admin:admin