fix: move templates to root directory for Flask discovery

app/templates/company_form.html

@@ -1,20 +0,0 @@
-{% extends "base.html" %}
-{% block content %}
-<h2>{% if company %}Firma bearbeiten{% else %}Neue Firma{% endif %}</h2>
-<form method="post">
-    <label>Name *</label>
-    <input type="text" name="name" value="{{ company.name if company else '' }}" required>
-    <label>Adresse</label>
-    <input type="text" name="address" value="{{ company.address if company else '' }}">
-    <label>Telefon</label>
-    <input type="text" name="phone" value="{{ company.phone if company else '' }}">
-    <label>Email</label>
-    <input type="email" name="email" value="{{ company.email if company else '' }}">
-    <label>Website</label>
-    <input type="text" name="website" value="{{ company.website if company else '' }}">
-    <label>Notizen</label>
-    <textarea name="notes">{{ company.notes if company else '' }}</textarea>
-    <button type="submit" class="btn btn-primary">Speichern</button>
-    <a href="{{ url_for('dashboard') }}" class="btn btn-secondary">Abbrechen</a>
-</form>
-{% endblock %}