fix crash on startup

src/main.rs

@@ -59,7 +59,7 @@ async fn main() {
         .expect("Couldn't find 'sql_backend' in config. :(");
 
     let db_url = CONFIG
-        .get_string("operations.url")
+        .get_string("database.url")
         .expect("Couldn't find 'url' in config. :(");
 
     // Match on the database type