Added events collection and first event

Signed-off-by: Jim Martens <github@2martens.de>

_layouts/event.html

@@ -0,0 +1,36 @@
+---
+layout: default
+---
+{% if page.date_modified %}
+{% assign modified = page.date_modified %}
+{% else %}
+{% assign modified = page.date %}
+{% endif %}
+
+<div class="post" itemscope itemtype="http://schema.org/Event">
+    <header class="post-header">
+        <h1 class="post-title" itemprop="name about">{{ page.title }}</h1>
+    </header>
+
+    <ul class="list-unstyled">
+        <li>
+            <span class="far fa-map-marker"></span>
+            <span itemprop="location">{{ page.location }}</span>
+        </li>
+        <li>
+            <span class="far fa-calendar-alt"></span>
+            <time datetime="{{ page.start_date | date_to_xmlschema }}" itemprop="startDate">
+                {% if page.end_date %}Start: {% else %}Date: {% endif %}{{ page.start_date | date: "%b %-d, %Y %H:%M" }}
+            </time>
+        </li>
+        {% if page.end_date %}
+        <li>
+            <span class="far fa-calendar-alt"></span>
+            <time datetime="{{ page.end_date | date_to_xmlschema }}" itemprop="endDate">
+                End: {{ page.end_date | date: "%b %-d, %Y %H:%M" }}
+            </time>
+        </li>
+        {% endif %}
+    </ul>
+    <div class="text-justify" itemprop="description">{{ content }}</div>
+</div>