add scripts for cdn

change aes mode to cfb in encrypt / decrypt in Security

env/db/01_permissions.sql

@@ -0,0 +1,14 @@
+-- run these commands in psql under admin acc:
+create role azaion_superadmin superuser login password 'superadmin-pass';
+create database azaion owner azaion_superadmin;
+\c azaion
+
+--writer user
+create role azaion_admin with login password 'admin-pass';
+grant connect on database azaion to azaion_admin;
+grant usage on schema public to azaion_admin;
+
+--readonly user
+create role azaion_reader with login password 'readonly-pass';
+grant connect on database azaion to azaion_reader;
+grant usage on schema public to azaion_reader;