Rename 'random' button to 'images' because it's clearer to understand what is

random in there

boards/locale/ru/LC_MESSAGES/django.po

@@ -539,3 +539,6 b' msgstr "\xd0\x98\xd0\xb7\xd0\xbc\xd0\xb5\xd0\xbd\xd0\xb8\xd1\x82\xd1\x8c \xd0\xb8\xd1\x81\xd1\x82\xd0\xbe\xd1\x87\xd0\xbd\xd0\xb8\xd0\xba \xd1\x84\xd0\xb0\xd0\xb9\xd0\xbb\xd0\xb0"'
 
 msgid "interesting"
 msgstr "интересное"
+
+msgid "images"
+msgstr "изображения"

boards/templates/boards/base.html

@@ -43,7 +43,7 b''
             <a href="{% url 'search' %}" title="{% trans 'Search' %}">{% trans 'search' %}</a>,
         {% endif %}
         <a href="{% url 'feed' %}" title="{% trans 'Feed' %}">{% trans 'feed' %}</a>,
-        <a href="{% url 'random' %}" title="{% trans 'Random images' %}">{% trans 'random' %}</a>{% if has_fav_threads %},
+        <a href="{% url 'random' %}" title="{% trans 'Random images' %}">{% trans 'images' %}</a>{% if has_fav_threads %},
 
         <a href="{% url 'feed' %}?favorites" id="fav-panel-btn">{% trans 'favorites' %} <span id="new-fav-post-count" {% if not new_post_count %}style="display: none" {% endif %}>{{ new_post_count }}</span></a>
         {% endif %}