Add support for RTL content

app/Resources/static/themes/baggy/css/main.css

@@ -997,10 +997,6 @@ blockquote {
   margin: 0;
 }
 
-#article h1 {
-  text-align: left;
-}
-
 #article h2,
 #article h3,
 #article h4 {

src/Wallabag/CoreBundle/Resources/views/base.html.twig

@@ -67,7 +67,7 @@
 
                 {% block messages %}{% endblock %}
 
-                <div id="content">
+                <div id="content" dir="auto">
                     {% block content %}{% endblock %}
                 </div>
             </main>

src/Wallabag/CoreBundle/Resources/views/themes/baggy/Entry/entry.html.twig

@@ -8,7 +8,7 @@
             <h1><span{% if entry.language is defined and entry.language is not null %} lang="{{ entry.getHTMLLanguage() }}"{% endif %}>{{ entry.title|e|default('entry.default_title'|trans)|raw }}</span> <a href="{{ path('edit', { 'id': entry.id }) }}" class="nostyle" title="{{ 'entry.view.edit_title'|trans }}">✎</a></h1>
         </header>
 
-        <div id="article_toolbar">
+        <div id="article_toolbar" dir="auto">
             <ul class="links">
                 <li class="topPosF"><a href="#top" title="{{ 'entry.view.left_menu.back_to_top'|trans }}" class="tool top icon icon-arrow-up-thick"><span>{{ 'entry.view.left_menu.set_as_read'|trans }}</span></a></li>
                 <li><a href="{{ entry.url|e }}" target="_blank" rel="noopener" title="{{ 'entry.view.original_article'|trans }} : {{ entry.title|e }}" class="tool link icon icon-link original"><span>{{ entry.domainName|removeWww }}</span></a></li>

src/Wallabag/CoreBundle/Resources/views/themes/material/Entry/entry.html.twig

@@ -259,7 +259,7 @@
             <h1><span{% if entry.language is defined and entry.language is not null %} lang="{{ entry.getHTMLLanguage() }}"{% endif %}>{{ entry.title|striptags|default('entry.default_title'|trans)|raw }}</span> <a href="{{ path('edit', { 'id': entry.id }) }}" title="{{ 'entry.view.edit_title'|trans }}"><i class="material-icons grey-text">create</i></a></h1>
         </header>
         <aside>
-            <div class="tools grey-text">
+            <div class="tools grey-text" dir="auto">
                 <ul class="stats">
                     <li>
                         {% include "@WallabagCore/themes/material/Entry/_reading_time.html.twig" with {'entry': entry} only %}