feat: add signup form

kursy/templates/profile.html

@@ -0,0 +1,8 @@
+{% extends "allauth/layouts/manage.html" %}
+{% load i18n %}
+
+{% block content %}
+<div class="container mx-auto px-4 py-8">
+  <h1 class="text-3xl font-bold mb-6">{% trans "Witaj, " %}{{ user.first_name }}!</h1>
+</div>
+{% endblock %}