build: Introduce development Procfile
build: Introduce development Procfile

I was tired of launching both CouchDB and cozy-stack.
It could eventually include autobuild later.

nono/cozy-desktop,cozy-labs/cozy-desktop,nono/cozy-desktop,cozy-labs/cozy-desktop,cozy-labs/cozy-desktop,nono/cozy-desktop,nono/cozy-desktop,cozy-labs/cozy-desktop