[WIP] Html lang on statuses (#2297)

* Add html lang attributes around statuses

* Remove urls from language detection

app/lib/language_detector.rb

@@ -9,11 +9,19 @@ class LanguageDetector
   end
 
   def to_iso_s
-    WhatLanguage.new(:all).language_iso(text) || default_locale.to_sym
+    WhatLanguage.new(:all).language_iso(text_without_urls) || default_locale.to_sym
   end
 
   private
 
+  def text_without_urls
+    text.dup.tap do |new_text|
+      URI.extract(new_text).each do |url|
+        new_text.gsub!(url, '')
+      end
+    end
+  end
+
   def default_locale
     account&.user&.locale || I18n.default_locale
   end