#22 docs/pages.mdの初版翻訳
Merge pull request #56 from gosyujin/translate-pages-#22

#22 docs/pages.mdの初版翻訳
#22 docs/posts.mdの初版翻訳
Merge pull request #58 from gosyujin/translate-posts-#22

#22 docs/posts.mdの初版翻訳
[WIP] #36 Getting Started に togglate を適用
Merge pull request #62 from gosyujin/use-togglate-#36

#36 Getting Started に togglate を適用