Merge branch 'develop' of https://github.com/PrismLauncher/PrismLauncher into export

Signed-off-by: Trial97 <alexandru.tripon97@gmail.com>

launcher/ui/MainWindow.h

@@ -157,6 +157,7 @@ private slots:
     inline void on_actionExportInstance_triggered() { on_actionExportInstanceZip_triggered(); }
     void on_actionExportInstanceZip_triggered();
     void on_actionExportInstanceMrPack_triggered();
+    void on_actionExportInstanceFlamePack_triggered();
     void on_actionExportInstanceToModList_triggered();
 
     void on_actionRenameInstance_triggered();