Vermietungs-Tool

A local web app for a small room-rental business in Austria: guest register,
room ledger, occupancy plan, invoices, the monthly tourist-tax report and the
quarterly VAT list. Application code only; it ships no data.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

app/templates/error.html

@@ -0,0 +1,5 @@
+{% extends "base.html" %}
+{% block content %}
+  <h1>{{ t('err_generic') if not message else message }}</h1>
+  <p><a class="btn" href="{{ url_for('home') }}">{{ t('nav_home') }}</a></p>
+{% endblock %}