basic admin interface done

calender/templates/calender/admin.html

+{% extends 'base.html' %}
+
+{% block header %}
+    <div class="container w3-center">
+        <h1>{% block title %}Welcome to the Dankventskalender 2020!{% endblock %}</h1>
+        <div>
+            <h6>Submit your meme for the next day now! Feel free to create and submit your own creations. </h6>
+            <br>
+            {% if g.user %}
+                <a class="action" href="{{ url_for('calender.create') }}">
+                    <button>Submit a Meme</button>
+                </a>
+            {% endif %}
+        </div>
+    </div>
+{% endblock %}
+
+{% block content %}
+    <div class="container w3-center">
+        {% for post in posts %}
+            <div class="item">
+                <article class="post">
+                    <header>
+                        <div>
+                            <h1>{{ post['title'] }}</h1>
+                            <h2>{{ post['nickname'] }}</h2>
+                            <div class="about">by {{ post['username'] }}
+                                on {{ post['created'].strftime('%Y-%m-%d') }}</div>
+                        </div>
+                        {% if g.user['id'] %}
+                            <a class="action" href="{{ url_for('calender.update', id=post['id']) }}">Edit</a>
+                        {% endif %}
+                    </header>
+                    {% if post['type'] == 'image' %}
+                        <img class="file" src="{{ post['file'] }}">
+                    {% endif %}
+                    {% if post['type'] == 'video' %}
+                        <video class="file" preload="none" controls="" width="500">
+                            <source src="{{ post['file'] }}">
+                        </video>
+                    {% endif %}
+                    <p class="body">{{ post['body'] }}</p>
+                </article>
+                {% if not loop.last %}
+                    <hr>
+                {% endif %}
+            </div>
+        {% endfor %}
+    </div>
+{% endblock %}