style: auto-format entire codebase with cargo fmt (stable rustfmt.toml)

src/types.rs

@@ -136,7 +136,7 @@ mod tests {
         // let chat_id = ChatId::new(1);
         // let message_id = MessageId::new(1);
         // if chat_id == message_id { } // ERROR: mismatched types
-        
+
         // Runtime values can be the same, but types are different
         let chat_id = ChatId::new(1);
         let message_id = MessageId::new(1);