Add back extmainapps

applications/services/loader/loader_i.h

@@ -4,6 +4,7 @@
 #include <flipper_application/flipper_application.h>
 #include "loader.h"
 #include "loader_menu.h"
+#include "loader_extmainapp.h"
 #include "loader_applications.h"
 
 typedef struct {
@@ -19,6 +20,7 @@ struct Loader {
     LoaderMenu* loader_menu;
     LoaderApplications* loader_applications;
     LoaderAppData app;
+    ExtMainAppList_t ext_main_apps;
 };
 
 typedef enum {