Suppress ouroboros missing docs warnings (#288)

* Suppress `ouroboros` missing docs warnings

* Suppress warnings

src/database/stream/query.rs

@@ -1,3 +1,5 @@
+#![allow(missing_docs)]
+
 use std::{pin::Pin, task::Poll};
 
 #[cfg(feature = "mock")]

src/database/stream/transaction.rs

@@ -1,3 +1,5 @@
+#![allow(missing_docs)]
+
 use std::{ops::DerefMut, pin::Pin, task::Poll};
 
 use futures::Stream;
@@ -11,9 +13,9 @@ use futures::lock::MutexGuard;
 
 use crate::{DbErr, InnerConnection, QueryResult, Statement};
 
-#[ouroboros::self_referencing]
 /// `TransactionStream` cannot be used in a `transaction` closure as it does not impl `Send`.
 /// It seems to be a Rust limitation right now, and solution to work around this deemed to be extremely hard.
+#[ouroboros::self_referencing]
 pub struct TransactionStream<'a> {
     stmt: Statement,
     conn: MutexGuard<'a, InnerConnection>,