i18n: refactor translations for docs site (#181)

* i18n: move some translations under example site

* chore: update i18n/ja.yaml

* i18n: update zh-tw.yaml

* i18n: update fr.yaml

* i18n: update pt.yaml

* i18n: update ko.yaml

* i18n: update nb.yaml and nn.yaml

* i18n: update sw.yaml

* i18n: update vi.yaml

* i18n: update sw.yaml

* docs: clean up ja site as it's incomplete

i18n/zh-cn.yaml

@@ -1,10 +1,3 @@
-documentation: "文档"
-showcase: "项目展示"
-blog: "博客"
-about: "关于"
-more: "更多"
-hugoDocs: "Hugo 文档 ↗"
-
 backToTop: "返回顶部"
 changeLanguage: "切换语言"
 changeTheme: "切换主题"