Translations and i18n (#60)

* Managing i18n

* Fix absolute path

* Config files

* Home link manage langage

* Fixing footer i18n

* Implemented i18n on newsletter

* Implemented two languages in example

* Removed old section directory

* Using yaml in data to organize home summary

* Fully working for old versions without i18n

* Integrating language menu CSS

* Fix language dropdown CSS

* Refactor translation codes

* Remove duplicate code

* Fix URL issues

* Move customMenus and other site related config into data section

* Fix error during language toggle

* Only show the available translation for the posts

* Handle navbar brand URL properly

* Fix responsiveness

Co-authored-by: Hugo MARTIN <hugo.martin.69@gmail.com>
Co-authored-by: hossainemruz <emruz@appscode.com>

layouts/partials/navigators/sidebar.html

@@ -9,7 +9,7 @@
   {{ if .HasChildren }}
     <!-- Add current entry -->
     <li>
-      <i class="fas {{ $icon }}"></i><a class="{{$class}}" href="{{.URL}}">{{.Name}}</a>
+      <i class="fas {{ $icon }}"></i><a class="{{$class}}" href="{{ .URL }}">{{.Name}}</a>
       <!-- Add sub-tree -->
       <ul class="{{ $class }}">
         {{ partial "navigators/sidebar.html" (dict "menus" .Children "ctx" $.ctx) }}
@@ -17,6 +17,6 @@
     </li>
   {{ else }}
     <!-- No sub-tree. So, only add current entry -->
-    <li><a class="{{$class}}" href="{{.URL}}">{{.Name}}</a></li>
+    <li><a class="{{$class}}" href="{{ .URL }}">{{.Name}}</a></li>
   {{ end }}
 {{ end }}