added admin functions

templates/admin_edit.html

@@ -0,0 +1,44 @@
+{% extends "base.html" %}
+
+{% block title %}Bearbeite {{ filename }}{% endblock %}
+
+{% block content %}
+<div class="container my-5">
+  <h1>Bearbeite Konfiguration</h1>
+  <h4 class="text-muted mb-4">{{ filename }}</h4>
+
+  {% if error %}
+    <div class="alert alert-danger alert-dismissible fade show" role="alert">
+      {{ error }}
+      <button type="button" class="btn-close" data-bs-dismiss="alert" aria-label="Close"></button>
+    </div>
+  {% endif %}
+
+  <form method="POST">
+    <div class="mb-3">
+      <label for="config_content" class="form-label">JSON-Inhalt (achte auf gültiges Format):</label>
+      <textarea class="form-control font-monospace" id="config_content" name="config_content" rows="20">{{ content }}</textarea>
+    </div>
+    <div class="d-flex gap-3">
+      <button type="submit" class="btn btn-primary btn-lg px-5">Speichern</button>
+      <a href="{{ url_for('admin') }}" class="btn btn-outline-secondary btn-lg px-5">Abbrechen</a>
+    </div>
+  </form>
+
+  <div class="mt-5">
+    <h5>Hilfe – Beispielstruktur</h5>
+    <pre class="bg-light p-3 rounded">
+{
+  "name": "BR 01 Dampflok",
+  "image": "br01.jpg",
+  "hub_id": 0,
+  "hub_type": "6channel",
+  "channels": [
+    {"port": "A", "type": "motor", "name": "Fahrtrichtung", "invert": false},
+    {"port": "C", "type": "light", "name": "Spitzenlicht", "on_value": 1.0}
+  ]
+}
+    </pre>
+  </div>
+</div>
+{% endblock %}