Rename the game to Emberwild (data copied from the old folder)

docs/SURVIVAL_DESIGN.md

@@ -275,7 +275,7 @@ small Diet bars, and a low group blinks.
 - **Autosave** every 2 minutes, on Save & Quit (to the title or desktop) and
   when the window is closed.
 - Saves live in `user://worlds/<id>/` (on macOS:
-  `~/Library/Application Support/Godot/app_userdata/Valheimlike/worlds/`) as
+  `~/Library/Application Support/Godot/app_userdata/Emberwild/worlds/`) as
   `meta.json` + `world.json`. Writes are atomic, and the previous save is
   kept as `world.json.bak`.
 - A save stores only what the player changed: player position and look,