Update README.md

feat(server): convert rovername to require enum

chore(server): require rovername as argument

Update README.md

build(app): update port to reference

Update Procfile

build(app): fix procfile

build(app): add heroku procfile

build(app): add start script

Update README.md

Update README.md

Update README.md

Update README.md

Update README.md

Update README.md