Clean /usr/bin install: contents dir 'lib' + install.sh

psp-preserve.spec

@@ -2,7 +2,7 @@
 """PyInstaller spec: build the PSP Preservation Tool (onedir).
 
 Bundles the read-only resources (DATs, PS1 loader, offline cover bundles,
-icons) under ``_internal/`` next to the executable. User-writable data
+icons) under ``lib/`` next to the executable. User-writable data
 (credentials, manual covers, PS1 templates, NPS cache, library DB, cover
 cache) lives in the OS state dir at runtime — see ``app/config.py``.
 
@@ -63,4 +63,5 @@ coll = COLLECT(
     strip=False,
     upx=False,
     name="psp-preserve",
+    contents_directory="lib",
 )