Persist config through backend controller

simulator/app.py

@@ -81,6 +81,18 @@ def toggle_sensor_fault(name):
 
 
 
+@app.route("/config")
+def get_config():
+    return jsonify(esp32.load_config())
+
+
+@app.route("/config", methods=["POST"])
+def save_config():
+    config = request.get_json(force=True)
+    return jsonify(esp32.save_config(config))
+
+
+
 @app.route("/config")
 def get_config():
     return jsonify(esp32.load_config())