Initialize Fonrey Django multi-tenant project skeleton

Set up the required directory layout, app scaffolding, core settings, templates, static assets, and Docker/Tailwind tooling to establish a standardized development baseline.

templates/layouts/auth.html

@@ -0,0 +1,13 @@
+{% extends "base.html" %}
+
+{% block body_class %}min-h-screen bg-neutral-50{% endblock %}
+
+{% block content %}
+<div class="min-h-screen flex items-center justify-center px-4">
+  <div class="w-full max-w-md bg-white shadow-xs rounded-lg p-6" hx-get="/account/placeholder/" hx-trigger="load" hx-target="#auth-async" hx-swap="innerHTML">
+    <div id="auth-async">
+      {% block auth_content %}{% endblock %}
+    </div>
+  </div>
+</div>
+{% endblock %}