NEW: add comments for print job

Change-Id: Ie7a65a76d535dc210268842704fdaf4a7475135a
Signed-off-by: Stone Li <stone.li@bambulab.com>

src/slic3r/Utils/bambu_networking.hpp

@@ -113,6 +113,7 @@ struct PrintParams {
     std::string     ftp_file_md5;
     std::string     ams_mapping;
     std::string     connection_type;
+    std::string     comments;
 
     /* access options */
     std::string     dev_ip;