Update blog styling and date formatting logic

Refined the blog's CSS, addressing title, meta, and author elements for improved readability and consistency. Reintroduced meta date formatting in the blog's HTML, including localized month names for better user experience. Removed unnecessary commented-out code for cleaner structure.

overrides/blog.html

@@ -6,19 +6,9 @@
 <div class="md-posts">
     {% for post in posts %}
     <article class="md-post md-post--excerpt">
-        <!--<div class="md-post__meta">
-            <time datetime="{{ post.meta.date }}">{{ post.meta.date }}</time>
-            {% if post.meta.categories %}
-            <span class="md-post__categories">
-              {% for category in post.meta.categories %}
-                {{ category }}{% if not loop.last %}, {% endif %}
-              {% endfor %}
-            </span>
-            {% endif %}
-            {% if post.meta.readtime %}
-            <span>{{ post.meta.readtime }} Min. Lesezeit</span>
-            {% endif %}
-        </div>-->
+        <div class="md-post__meta">
+            <time datetime="{{ post.meta.date }}">{{ post.meta.date.strftime('%d. %B %Y')|replace('January', 'Januar')|replace('February', 'Februar')|replace('March', 'März')|replace('April', 'April')|replace('May', 'Mai')|replace('June', 'Juni')|replace('July', 'Juli')|replace('August', 'August')|replace('September', 'September')|replace('October', 'Oktober')|replace('November', 'November')|replace('December', 'Dezember') }}</time>
+        </div>
 
         <h2 class="md-post__title">
             <a href="{{ post.url | replace('blog/', '') }}" title="{{ post.title }}">{{ post.title }}</a>