[Refactor] Rename the app module to calsocial

Just for clarity

calsocial/templates/event-edit.html

@@ -0,0 +1,43 @@
+{% extends 'base.html' %}
+
+{% block content %}
+<form method="post">
+    {{ form.hidden_tag() }}
+
+    {{ form.errors }}
+    <br>
+
+    {{ form.title.errors }}
+    {{ form.title.label }}
+    {{ form.title }}
+    <br>
+
+    {{ form.time_zone.errors }}
+    {{ form.time_zone.label }}
+    {{ form.time_zone }}
+    <br>
+
+    {{ form.start_time.errors }}
+    {{ form.start_time.label }}
+    {{ form.start_time }}
+    <br>
+
+    {{ form.end_time.errors }}
+    {{ form.end_time.label }}
+    {{ form.end_time }}
+    <br>
+
+    {{ form.all_day.errors }}
+    {{ form.all_day.label }}
+    {{ form.all_day }}
+    <br>
+
+    {{ form.description.errors }}
+    {{ form.description.label }}
+    {{ form.description }}
+    <br>
+
+    <button type="submit">{% trans %}Save{% endtrans %}</button>
+    <a href="{{ url_for('hello') }}">Cancel</a>
+</form>
+{% endblock content %}