Adding note about database username
Adding note about database username

eleostech/rapns,mandarin6b0/rpush,jmnsf/rpush,ileitch/rapns,rafal-radziszewski/rpush,kjnsn/rpush,amaierhofer/rpush,zenjoy/rpush,rafal-radziszewski/rpush,aried3r/rpush,zakwanhaj/rpush,chiu/rpush,rpush/rpush,joshuairl/rpush,krakatoa/rpush