обновление конфига

config_sample.yaml

@@ -1,5 +1,13 @@
-db_user: "DATABASE_USERNAME"
-db_password: "DATABASE_PASSWORD"
-db_host: "DATABASE_HOST"
-db_name: "DATABASE_NAME"
-db_port: 5432
+db:
+  user: "DATABASE_USERNAME"
+  password: "DATABASE_PASSWORD"
+  host: "DATABASE_HOST"
+  name: "DATABASE_NAME"
+  port: 5432
+currency:
+  - USD
+  - RUB
+  - EUR
+  - UAH
+  - TRY
+  - KZT