Rename plugins to external

applications/external/brainfuck/scenes/brainfuck_scene_dev.c

@@ -0,0 +1,16 @@
+#include "../brainfuck_i.h"
+
+void brainfuck_scene_dev_env_on_enter(void* context) {
+    BFApp* app = context;
+    view_dispatcher_switch_to_view(app->view_dispatcher, brainfuckViewDev);
+}
+
+bool brainfuck_scene_dev_env_on_event(void* context, SceneManagerEvent event) {
+    UNUSED(context);
+    UNUSED(event);
+    return false;
+}
+
+void brainfuck_scene_dev_env_on_exit(void* context) {
+    UNUSED(context);
+}