Move terraform files into modules

modules/services/postgresql.tf

@@ -0,0 +1,18 @@
+resource "random_password" "postgresql_service_passwords" {
+  for_each = local.services_database
+  length  = 32
+  special = false
+}
+
+resource "postgresql_role" "service_roles" {
+  for_each = local.services_database
+  name     = each.value.name
+  login    = true
+  password = random_password.postgresql_service_passwords[each.key].result
+}
+
+resource "postgresql_database" "service_databases" {
+  for_each = local.services_database
+  name     = each.value.name
+  owner    = postgresql_role.service_roles[each.key].name
+}