updated for using .env

README.MD

@@ -19,7 +19,7 @@
 
 ## APPOINTMENT
 
-````sql
+```sql
 create table user_addresses
 (
     user_id       integer      not null
@@ -34,5 +34,5 @@ create table user_addresses
     created_at    timestamp default now(),
     updated_at    timestamp default now(),
     primary key (user_id, address_line1, postal_code)
-);```
-````
+);
+```