[KYUUBI #2912] [INFRA][DOCS] Improve release md

### _Why are the changes needed?_

Help release in future.

### _How was this patch tested?_
- [ ] Add some test cases that check the changes thoroughly including negative and positive cases if possible

- [ ] Add screenshots for manual tests if appropriate

- [ ] [Run test](https://kyuubi.apache.org/docs/latest/develop_tools/testing.html#running-tests) locally before make a pull request

Closes #2912 from ulysses-you/release-md.

Closes #2912

3cf2e27 [ulysses-you] release

Authored-by: ulysses-you <ulyssesyou18@gmail.com>
Signed-off-by: ulysses-you <ulyssesyou@apache.org>

Author: ulysses-you

docs/community/release.md

@@ -254,8 +254,8 @@ After some time this will be sync’d to [Maven Central](https://search.maven.or
 
 Fork and clone [Apache Kyuubi website](https://github.com/apache/incubator-kyuubi-website)
 
-1. Add a new markdown file in `src/news/`
-2. Add a new markdown file in `src/release/`
+1. Add a new markdown file in `src/zh/news/`, `src/en/news/`
+2. Add a new markdown file in `src/zh/release/`, `src/en/release/`
 3. Follow [Build Document](../develop_tools/build_document.md) to build documents, then copy `apache/incubator-kyuubi`'s
    folder `docs/_build/html` to `apache/incubator-kyuubi-website`'s folder `content/docs/r{RELEASE_VERSION}`
 
@@ -265,6 +265,8 @@ Once everything is working, create an announcement on the website and then send
 You can generate the announcement via `buld/release/script/announce.sh` automatically.
 The mailing list includes: `general@incubator.apache.org`, `announce@apache.org`, `dev@kyuubi.apache.org`, `user@spark.apache.org`.
 
+Note that, you must use the apache.org email to send announce to `announce@apache.org`.
+
 Enjoy an adult beverage of your choice, and congratulations on making a Kyuubi release.