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/cards/project.html

@@ -8,7 +8,7 @@
         <div>
           <div class="d-flex">
             {{ if .logo }}
-            <img class="card-img-xs" src="{{ .logo }}" alt="{{ .name }}" />
+            <img class="card-img-xs" src="{{ .logo | absURL }}" alt="{{ .name }}" />
             {{ end }}
             <h5 class="card-title mb-0">{{ .name }}</h5>
           </div>