added basic pages + task import

templates/import.html

@@ -0,0 +1,12 @@
+{% extends "base.html" %}
+{% block title %}Import tasks{% endblock %}
+{% block main %}
+    <form action="" method="POST" enctype="multipart/form-data">
+        {% csrf_token %}
+        <div>
+            <label for="file">File</label>
+            <input type="file" name="file" id="file">
+        </div>
+        <button type="submit">Import</button>
+    </form>
+{% endblock %}