To add a readme file:
(These commands require the latest Helix command line client and server installed locally,
both available for free on the Perforce Helix downloads page).
Clone the project: p4 -d perforce-software-p4maven clone -p public.perforce.com:1666 -f //guest/perforce_software/p4maven/main/...
Change to the project directory: cd perforce-software-p4maven
Create a readme file: echo "My first readme" > README.md
Reconcile your workspace: p4 reconcile
Submit the changes: p4 submit -d "adding readme file"
Push changes to the Workshop: p4 push