Return template for GET requests.

app/templates/auth/reset_password.html.j2

+{% extends "base.html.j2" %}
+
+{% block page_content %}
+<div class="col s12 m6 offset-m3">
+  <div class="card medium">
+    <div class="card-content">
+      <p>Sign in into an exisiting account or register a new one!</p>
+      <br>
+    <div class="card-action">
+      <a class="btn" href="{{url_for('auth.register')}}">Register</a>
+    </div>
+    </div>
+  </div>
+</div>
+{% endblock %}