Follow the store home rename

`~/.local/share/warp-engine-store/ttg` became `ttg-retroarch` so the desktop
store can live in the same root without sharing config.json and state.json.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

README.md

@@ -23,7 +23,7 @@ Or from a checkout of this repo:
 ```
 
 The installer fetches the engine, drops it and this config in
-`~/.local/share/warp-engine-store/ttg/`, writes the `ttg-retroarch-store`
+`~/.local/share/warp-engine-store/ttg-retroarch/`, writes the `ttg-retroarch-store`
 launcher into `~/.local/bin`, prints the directories it resolved from your
 `retroarch.cfg`, and runs the first sync. **Restart RetroArch** to see the
 playlists — it builds its menu at startup.
@@ -52,7 +52,7 @@ lose the work.
 Keep it current from `crontab`:
 
 ```
-0 * * * * ~/.local/bin/ttg-retroarch-store sync >>~/.local/share/warp-engine-store/ttg/store.log 2>&1
+0 * * * * ~/.local/bin/ttg-retroarch-store sync >>~/.local/share/warp-engine-store/ttg-retroarch/store.log 2>&1
 ```
 
 ## Uninstall
@@ -96,7 +96,7 @@ Ports instead, see
 
 Everything lands under the `teletypegames/` subfolder of RetroArch's content
 directory, so a prune can never reach content you put there yourself. To change
-any of it, edit `~/.local/share/warp-engine-store/ttg/config.json` — the full key
+any of it, edit `~/.local/share/warp-engine-store/ttg-retroarch/config.json` — the full key
 reference is in the engine's README.
 
 ## Onto an Android phone or a handheld