Renamed 'language' partials folder into 'languages' for consistency

src/partials/language.html

@@ -21,8 +21,8 @@
 -->
 
 <!-- Import translations for given language and fallback -->
-{% import "partials/language/" ~ config.theme.language ~ ".html" as lang %}
-{% import "partials/language/en.html" as fallback %}
+{% import "partials/languages/" ~ config.theme.language ~ ".html" as lang %}
+{% import "partials/languages/en.html" as fallback %}
 
 <!-- Re-export translations -->
 {% macro t(key) %}{{ lang.t(key) or fallback.t(key) }}{% endmacro %}