Merge pull request #76 from w3c/add-changelog-to-nav-yml

+ stds/guidelines changelog

Author: shawna-slh

navigation.yml

@@ -370,6 +370,9 @@
       ru: "Стандарты/<wbr>Рекомендации"
       zh-hans: "标准/指南"
     url: "/standards-guidelines/"
+  - name: Changelog
+    url: "/standards-guidelines/changelog/"
+    hide: true
   - name:
       en: "Web Content – WCAG"
       fr: "Contenus web – WCAG"
@@ -553,4 +556,3 @@
 - name: Resources
   url: "/resources/"
   mainnav: false
-