update intro scene

src/include/scene.h

 const struct BgConfig scene_default_config[4];
 void scene_default_cb_handler(void);
 const struct TextColor scene_default_text_color;
+void scene_free_bg_maps(void);
 
 #endif

src/specials/scenes/blackboard_intro.c

 extern pchar *blackboard_text[];
 
 const struct TextboxTemplate blackboard_box[] = {
-    {.bg_id = 0, .x = 4, .y = 7, .width = 6, .height = 3, .pal_id = 15, .charbase = 1},
+    {.bg_id = 0, .x = 2, .y = 5, .width = 28, .height = 10, .pal_id = 15, .charbase = 1},
 };
 
 const u16 blackboard_text_pal[] = 
-                            {rgb5(255, 255, 255), rgb5(255, 255, 255), rgb5(255, 255, 255), rgb5(255, 255, 255),
+                            {rgb5(255, 255, 255), rgb5(255, 255, 255), rgb5(000, 163, 131), rgb5(255, 255, 255),
                              rgb5(255, 255, 255), rgb5(255, 255, 255), rgb5(255, 255, 255), rgb5(255, 255, 255),
                              rgb5(255, 255, 255), rgb5(255, 255, 255), rgb5(255, 255, 255), rgb5(255, 255, 255),
                              rgb5(255, 255, 255), rgb5(255, 255, 255), rgb5(255, 255, 255), rgb5(255, 255, 255)};
                          blackboard_text[0]);
             tasks[id].priv[0]++;
         break;
+        case 4:
+            if(!dialogid_was_acknowledged(0)) {
+                fade_screen(0xFFFFFFFF, 1, 0, 16, 0x0000);
+                tasks[id].priv[0]++;
+            }
+        break;
+        case 5:
+            if(!pal_fade_control.active){
+                task_del(id);
+                scene_free_bg_maps();
+                set_callback2(c2_exit_to_overworld_2_switch);
+                set_callback1(c1_overworld);
+            }
+        break;
         default:
         break;
     }

src/specials/scenes/blackboard_text.s

 .word bbtext_zero
 
 bbtext_zero:
-    .autostring 40 LAN_DE "Feuer, Wasser, Erde, Luft. Aus den vier Elementen erschuf Arceus einst das Universum, ein Ort voller Chaos, in welchem sich letztlich unsere Welt formen konnte."
+    .string LAN_DE "Feuer, Wasser, Erde, Luft. Aus den\nvier Elementen erschuf Arceus einst\ndas Universum, ein Ort voller\nChaos, in welchem sich letztlich\nunsere Welt formen konnte.\p"

src/specials/scenes/scene_common.c

         obj_sync_superstate();
         tilemaps_sync();
         remoboxes_upload_tilesets();
+        rboxid_update_tilemap_and_tileset(0);
+    }
+}
+
+void scene_free_bg_maps(void) {
+    for (u8 i = 0; i < 3; ++i) {
+        void *tmap = bgid_get_tilemap(i);
+        if (tmap != NULL) {
+            free(tmap);
+            bgid_nullify_tilemap(i);
+        }
     }
 }