ansible postgresql wip

create pg_hba.conf file

Former-commit-id: a14002aa0a29a2959ea23d8decd326228ab8936a

ansible/pg_hba.conf

+# iPPIDB PostgreSQL Client Authentication Configuration File
+# DO NOT EDIT THIS FILE, IT IS AUTOMATICALLY DEPLOYED FROM ANSIBLE
+local   all             all                                     peer
+host    all             all              ::1/128                md5
\ No newline at end of file