Add Datadog and more logos (ko) (#3181)

* Add Datadog and more logos

* Apply review

Co-authored-by: marocchino <marocchino@users.noreply.github.com>

---------

Co-authored-by: marocchino <marocchino@users.noreply.github.com>

Author: riseshia

ko/about/website/index.md

@@ -36,13 +36,33 @@ lang: ko
 
 지원해주신 단체들에게도 감사드립니다.
 
- * [Ruby Association][rubyassociation] (호스트)
- * [Ruby no Kai][rubynokai] (빌드 서버)
- * [AWS][aws] (호스트)
- * [Heroku][heroku] (호스트)
- * [Fastly][fastly] (CDN)
- * [Hatena][hatena] ([mackerel][mackerel], 서버 모니터링)
+[Ruby Association][rubyassociation] (호스트)
 
+<img src="../../../images/sponsor/ra.png" alt="Ruby Association" width="227" height="70" />
+
+[Ruby no Kai][rubynokai] (빌드 서버)
+
+<img src="../../../images/sponsor/ruby-no-kai.png" alt="Ruby no Kai" width="225" height="50" />
+
+[AWS][aws] (호스트)
+
+<img src="../../../images/sponsor/aws.png" alt="AWS" width="200" height="120" />
+
+[Heroku][heroku] (호스트)
+
+<img src="../../../images/sponsor/heroku.png" alt="Heroku" width="216" height="256" />
+
+[Fastly][fastly] (CDN)
+
+<img src="../../../images/sponsor/fastly.png" alt="Fastly" width="200" height="200" />
+
+[Hatena][hatena] ([mackerel][mackerel], 서버 모니터링)
+
+<img src="../../../images/sponsor/mackerel.png" alt="mackerel" width="300" height="80" />
+
+[Datadog][datadog] (서버 모니터링)
+
+<img src="../../../images/sponsor/dd.png" alt="Datadog" width="200" height="200" />
 
 [logo]: /ko/about/logo/
 [webmaster]: mailto:webmaster@ruby-lang.org
@@ -58,3 +78,4 @@ lang: ko
 [mackerel]: https://mackerel.io/
 [rubynokai]: http://ruby-no-kai.org/
 [aws]: https://aws.amazon.com/
+[datadog]: https://www.datadoghq.com/