fix: updated postgre volume mount point path#124

SamTV12345 merged 1 commit intoether:mainether/etherpad-go:mainfrom

viadezo1er:fix/#122-postgre-composeyml-creates-two-volumes-instead-of-oneviadezo1er/etherpad-go:fix/#122-postgre-composeyml-creates-two-volumes-instead-of-oneCopy head branch name to clipboard