first commit

templates/error.html

@@ -0,0 +1,11 @@
+{% extends "base.html" %}
+{% block title %}ERROR{% endblock %}
+
+{% block content %}
+
+<div class="container">
+    <div class="card-deck mb-3 text-center"></div>
+    <h3>ERROR en la subida</h3>
+</div>
+
+{% endblock %}