feat: add support for multiple label formats in get_label function

routes/printing.py

@@ -1,3 +1,5 @@
+import json
+
 from flask import Blueprint, request, send_file, jsonify
 from routes.utils import jwt_protect_blueprint
 import sipro.api.printing
@@ -18,4 +20,5 @@ def get_label():
                          as_attachment=True,
                          download_name='label.pdf',
                          mimetype='application/pdf')
-    return jsonify(data.read().decode('utf-8'))
+    data= json.loads(str(data.read(), 'ascii'))
+    return jsonify(data)