Update graph-db-schema.sql
Update graph-db-schema.sql

add create database, rm comment for useradd
masato25/open-falcon-backend,minimum-hsu/scripts,Cepave/open-falcon-backend,Cepave/open-falcon-backend,masato25/open-falcon-backend,Cepave/open-falcon-backend,Cepave/scripts,Cepave/scripts,masato25/open-falcon-backend,Cepave/open-falcon-backend,masato25/open-falcon-backend,open-falcon/scripts,masato25/open-falcon-backend,Cepave/open-falcon-backend,minimum-hsu/scripts,Cepave/open-falcon-backend,masato25/open-falcon-backend