🌐 Add language switcher to header

i18n/en-au.yaml

@@ -1,40 +0,0 @@
-article:
-  anchor_label: "Anchor"
-  draft: "Draft"
-  edit_title: "Edit content"
-  reading_time:
-    one: "{{ .Count }} min"
-    other: "{{ .Count }} mins"
-  reading_time_title: "Reading time"
-  word_count:
-    one: "{{ .Count }} word"
-    other: "{{ .Count }} words"
-
-author:
-  byline_title: "Author"
-
-error:
-  404_title: "Page Not Found :confused:"
-  404_error: "Error 404"
-  404_description: "It seems that the page you've requested does not exist."
-
-footer:
-  dark_appearance: "Switch to dark appearance"
-  light_appearance: "Switch to light appearance"
-  powered_by: "Powered by {{ .Hugo }} & {{ .Congo }}"
-
-list:
-  externalurl_title: "Link to external site"
-  no_articles: "There's no articles to list here yet."
-
-sharing:
-  email: "Send via email"
-  facebook: "Share on Facebook"
-  linkedin: "Share on LinkedIn"
-  pinterest: "Pin on Pinterest"
-  reddit: "Submit to Reddit"
-  twitter: "Tweet on Twitter"
-
-shortcode:
-  recent_articles: "Recent"
-  icon_none: "Icon not found."