add missing template

app/templates/register.html

@@ -0,0 +1,22 @@
+{% extends "base.html" %}
+{% block head %}
+<title>Login - {{ settings.SITENAME }}</title>
+{% endblock %}
+{% block content %}
+<div class="register">
+    <form method="POST">
+        {% csrf_token %}
+        <input name="username" type="text" placeholder="your username" required></input>
+        <br>
+        <input name="email" type="email" placeholder="your email" required></input>
+        <br>
+        <input name="password" type="password" placeholder="your password" required></input>
+        <br>
+        <div class="buttons">
+            <button id="login">Register</button>
+        </div>
+        <div class="error">{{ error }}</div>
+    </form>
+</div>
+{% endblock %}
+