Add release notes for Beast

feed/history/boost_1_85_0.qbk

@@ -41,6 +41,28 @@ Please keep the list of libraries sorted in lexicographical order.
   * Fixed `named_condition_any` fails to notify ([github interprocess 62])
 ]
 
+* [phrase library..[@/libs/beast/ Beast]:]
+  * API Changes
+    * The status code list has been updated to conform with the IANA registry.
+  * Fixes
+    * Unreachable code warning in `buffers_cat.hpp`.
+    * Connection error handling in `websocker_server_awaitable` example.
+    * Concurrent calls to `async_write` in advanced server examples.
+    * zlib name conflicts with minizip.
+    * host string should be updated after `SSL_set_tlsext_host_name()`.
+  * Improvements
+    * `asio::associator` is specialized for `bind_wrapper` and `bind_front_wrapper`.
+    * Add non-allocating overload for error category message function.
+  * Documentation
+    * Specifies when calling `http::message::prepare_payload()` is optional.
+    * Operations affected by `basic_stream::expires_after()`.
+    * `teardown()` and `async_teardown()` are customization points.
+    * Moving or copying `http::serializer` after first usage is undefined behaviour.
+    * `websocket::permessage_deflate` should be configured before performing the WebSocket handshake.
+    * `bytes_transferred` in http reads operations reports the number of bytes consumed by the HTTP parser.
+  * Acknowledgements
+    * Emile Cormier, JohannesWilde, yhzx233
+
 * [phrase library..[@/libs/bind/ Bind]:]
   * C++03 is no longer supported; a C++11 compiler is required.
     (This includes GCC 4.7 or later, and MSVC 12.0 (VS 2013) or later.)