Add project scaffold

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

README.md

@@ -7,7 +7,7 @@ Setup for a Retroid Pocket 3+ (Android 11) used for emulation.
 ## Files
 
 - `obtainium-rp3.json`: Obtainium import list (Obtainium > Import/Export > Obtainium Import).
-- `rp3-restore.sh`: reinstalls the 32 stock packages that were removed. Run with `adb` connected.
+- `scripts/rp3-restore.sh`: reinstalls the 32 stock packages that were removed. Run with `adb` connected.
 
 ## Obtainium apps