go get github.com/CoinCulture/claw
You will also need pandoc and xelatex to output pdfs.
On Ubuntu:
sudo apt-get install pandoc
# this one's big
sudo apt-get install texlive-xetex
# initaite a new contract
claw new john examples/templates/consultant.md
# change into the newly generated directory
cd john
# edit the params
vim params.toml
# save your revisions to the hash log
claw revise
# compile the markdown and output a final pdf using pandoc
claw compile --output pdf