Falashforge 5M network support (#4546)

* build action changes

* Adding flashforge 5M series network support

* Update CMakeLists.txt

* Update Flashforge.cpp

* reverting files for pull request

---------

Co-authored-by: SoftFever <softfeverever@gmail.com>

src/slic3r/Utils/PrintHost.cpp

@@ -21,6 +21,7 @@
 #include "MKS.hpp"
 #include "../GUI/PrintHostDialogs.hpp"
 #include "Obico.hpp"
+#include "Flashforge.hpp"
 
 namespace fs = boost::filesystem;
 using boost::optional;
@@ -56,6 +57,7 @@ PrintHost* PrintHost::get_print_host(DynamicPrintConfig *config)
             case htPrusaConnect: return new PrusaConnect(config);
             case htMKS:       return new MKS(config);
             case htObico:     return new Obico(config);
+            case htFlashforge: return new Flashforge(config);
             default:          return nullptr;
         }
     } else {