add chapters/portland-me.json for Portland, Maine Nodeschool
add chapters/portland-me.json for Portland, Maine Nodeschool

denysdovhan/nodeschool.github.io,nodeschool/nodeschool.github.io,nodeschool/nodeschool.github.io,nodeschool/nodeschool.github.io,denysdovhan/nodeschool.github.io,denysdovhan/nodeschool.github.io,jthoms1/nodeschool.github.io,jthoms1/nodeschool.github.io,jthoms1/nodeschool.github.io