Add controller for new events.

templates/event_editor.html

@@ -0,0 +1,25 @@
+{% extends "base.html" %}
+{% import "bootstrap/wtf.html" as wtf %}
+{% set active_page = "seasons" %}
+{% block title %}{{ model.page_title }} {{ super() }}{% endblock %}
+
+{% block page %}
+  <div class="text-center">
+    <h1>{{ model.form_title }}</h1>
+
+    {% if model.errors %}
+      <div class="alert alert-danger">
+      {% for field, errors in model.errors.items() %}
+        <div>
+          <strong class="text-capitalize">{{ field }}</strong>:
+          {{ errors|join(', ') }}
+        </div>
+      {% endfor %}
+      </div>
+    {% endif %}
+
+    <form action="{{ model.post_url }}" method="post">
+
+    </form>
+  </div>
+{% endblock %}