📝 Update release notes

docs/release-notes.md

@@ -1,5 +1,6 @@
 ## Latest changes
 
+* Add 4 Japanese articles to [External Links](https://fastapi.tiangolo.com/external-links/). PR [#783](https://github.com/tiangolo/fastapi/pull/783) by [@HymanZHAN](https://github.com/HymanZHAN).
 * Add support for subtypes of main types in `jsonable_encoder`, e.g. asyncpg's UUIDs. PR [#756](https://github.com/tiangolo/fastapi/pull/756) by [@RmStorm](https://github.com/RmStorm).
 * Fix usage of Pydantic's `HttpUrl` in docs. PR [#832](https://github.com/tiangolo/fastapi/pull/832) by [@Dustyposa](https://github.com/Dustyposa).
 * Fix Twitter links in docs. PR [#813](https://github.com/tiangolo/fastapi/pull/813) by [@justindujardin](https://github.com/justindujardin).