Translate ruby 2.5.4/2.6.2 release note (ko) (#2013)

* Import origin articles

cp {en,ko}/news/_posts/2019-03-13-ruby-2-5-4-released.md
cp {en,ko}/news/_posts/2019-03-13-ruby-2-5-4-released.md

* Translate ruby 2.5.4/2.6.2 release note

Author: riseshia

ko/news/_posts/2019-03-13-ruby-2-5-4-released.md

@@ -0,0 +1,50 @@
+---
+layout: news_post
+title: "루비 2.5.4 릴리스"
+author: "nagachika"
+translator: "shia"
+date: 2019-03-13 11:30:00 +0000
+lang: ko
+---
+
+루비 2.5.4가 릴리스 되었습니다.
+
+이 릴리스는 루비에 포함된 RubyGems의 보안 취약점 수정과 버그 수정을 포함합니다.
+자세한 설명은 [RubyGems의 취약점 다수 발견](/ko/news/2019/03/05/multiple-vulnerabilities-in-rubygems/)과
+[커밋 로그](https://github.com/ruby/ruby/compare/v2_5_3...v2_5_4)를 확인해주세요.
+
+## 다운로드
+
+* <https://cache.ruby-lang.org/pub/ruby/2.5/ruby-2.5.4.tar.bz2>
+
+      SIZE:   14167366 bytes
+      SHA1:   ac3248a055b5317cec53d3f922559c5b4a67d410
+      SHA256: 8a16566207b2334a6904a10a1f093befc3aaf9b2e6cf01c62b1c4ac15cb7d8fc
+      SHA512: 3c4f54f38ee50914a44d07e4fd299e53dddd045f2d38da2140586b8a9c45d1172fec2ad5b0411c228a9b31f5e161214820903a65b98caf3b0dfeeaabf2cab6ad
+
+* <https://cache.ruby-lang.org/pub/ruby/2.5/ruby-2.5.4.tar.gz>
+
+      SIZE:   15995815 bytes
+      SHA1:   330bb5472f565b683c7f8c9091d4ee0cc155b51b
+      SHA256: 0e4042bce749352dfcf1b9e3013ba7c078b728f51f8adaf6470ce37675e3cb1f
+      SHA512: 6e58006c30d8ae561967e051ec0a34f34f899eee1b039abb65c9a63dc65965e210d238fff19fa7c7411893df25dfc40426887a195993153fb9e09bbf769dfc14
+
+* <https://cache.ruby-lang.org/pub/ruby/2.5/ruby-2.5.4.tar.xz>
+
+      SIZE:   11493016 bytes
+      SHA1:   221b8538e75a8d04af8b9a09f56343e463bf94f8
+      SHA256: 46f6eff655a6be1939f70c7a4c1bf58f76663e7e804738bc52f4d47ca31dee3d
+      SHA512: e72294e549d09510f20c808d26a0d21ef0ee2616d8598980a42db260d45340e5c259ac65e5478a8b086042ff6ba7d8447a6c8115454ffe977c4f63175ab89062
+
+* <https://cache.ruby-lang.org/pub/ruby/2.5/ruby-2.5.4.zip>
+
+      SIZE:   19186174 bytes
+      SHA1:   855be9a5a43a1e0621ad2e81c27de9370d2abcc8
+      SHA256: 823a6a2c9c7baa18554fd78d430837a01ab33cc16ad1759c9842bdd9523e9cea
+      SHA512: a83f90514b09c217fbbd154cfc09c804553353a97cbff7df24185b613e1c7be69a965fe9ec925ac3f4bd6170f2c3d0d60be7ea4ab1037ce64300d7443b6e08e8
+
+## 릴리스 코멘트
+
+많은 커미터, 개발자, 버그를 신고해 준 사용자들이 이 릴리스를 만드는 데 도움을
+주었습니다.
+그들의 기여에 감사드립니다.

ko/news/_posts/2019-03-13-ruby-2-6-2-released.md

@@ -0,0 +1,51 @@
+---
+layout: news_post
+title: "루비 2.6.2 릴리스"
+author: "naruse"
+translator: "shia"
+date: 2019-03-13 11:30:00 +0000
+lang: ko
+---
+
+루비 2.6.2가 릴리스 되었습니다.
+
+이 릴리스는 루비에 포함된 RubyGems의 보안 취약점 수정과 버그 수정을 포함합니다.
+
+자세한 설명은 [RubyGems의 취약점 다수 발견](/ko/news/2019/03/05/multiple-vulnerabilities-in-rubygems/)과
+[커밋 로그](https://github.com/ruby/ruby/compare/v2_6_1...v2_6_2)를 확인해주세요.
+
+## 다운로드
+
+* <https://cache.ruby-lang.org/pub/ruby/2.6/ruby-2.6.2.tar.gz>
+
+      SIZE:   16777765 bytes
+      SHA1:   44c6634a41f63ebdc1f3ce6ddcf48a4766bb4df7
+      SHA256: a0405d2bf2c2d2f332033b70dff354d224a864ab0edd462b7a413420453b49ab
+      SHA512: bc96a6793a1e3111598b82b0aad98dc5b465e39cdb5b788c4259818752e028a44545c6489c02c323db0f43a362c26f0900acfba0277d6e2201587d7252f6125f
+
+* <https://cache.ruby-lang.org/pub/ruby/2.6/ruby-2.6.2.zip>
+
+      SIZE:   20601169 bytes
+      SHA1:   fce5c289842e6e4c4bc7950214d82c0858086baa
+      SHA256: 65b862e5c86346d6bda05fc193c6f2cd728ddfd357f4b0a19d54d48a50984d13
+      SHA512: 60ccabbca50d51186b6715edcd8e4fa704e8b9159a23f073e8d3aafef3858a98ade416156af94a479d1af5555c4c4b5b71267f0f563a518e5e6112ce9921bb8b
+
+* <https://cache.ruby-lang.org/pub/ruby/2.6/ruby-2.6.2.tar.bz2>
+
+      SIZE:   14634343 bytes
+      SHA1:   5839fc6e6568ac4f26a20382bd8fe0d998dffbb0
+      SHA256: d126ada7f4147ce1029a80c2a37a0c4bfb37e9e82da8816662241a43faeb8915
+      SHA512: cad678d2ced4085e99009e4fef83c067dd0e6ead27a8695bc212c0e5112a7fa09ceb27f82638faf91932ef8bdd090f844e0a878ffdf6845a891da4b858588aa0
+
+* <https://cache.ruby-lang.org/pub/ruby/2.6/ruby-2.6.2.tar.xz>
+
+      SIZE:   11889840 bytes
+      SHA1:   b7b3432519f80ea50adc9bfb937c7a46865a93d5
+      SHA256: 91fcde77eea8e6206d775a48ac58450afe4883af1a42e5b358320beb33a445fa
+      SHA512: 13f7d7b483a037378eac4bf4bebddc21d69f4e19e6bbb397dd53e7518037ae9a3aa5b41fc20bf1fe410803c6efc3a6a65a65af47648d3a93713f75cfe885326a
+
+## 릴리스 코멘트
+
+많은 커미터, 개발자, 버그를 신고해 준 사용자들이 이 릴리스를 만드는 데 도움을
+주었습니다.
+그들의 기여에 감사드립니다.