feat(config,registry): add PlayStation Plus launcher

APP_REGISTRY[ps-plus]: installs to Program Files (x86)/PlayStationPlus/PlayStationPlus.exe; purge paths cover the app dir + AppData/Roaming/playstation-plus and playstation-now (confirmed by user install).

APP_INSTALL_ARGS[ps-plus]=/S: NSIS silent flag.

find_local_installer: matches *playstation*.exe and *psplus*.exe in ./installers/.

Download URL: https://download-psplus.playstation.com/downloads/psplus/pc/latest (direct wget-compatible, requires PlayStation subscription for activation but not for download). User confirmed successful installation under GE-Proton11-6.

docs/INSTALLER_LINKS.md and installers/README.md updated by user.

Author: xaoscience

docs/INSTALLER_LINKS.md

@@ -12,6 +12,7 @@ External resources for game launcher installers. These are never committed to th
 | **Ubisoft Connect** | https://ubisoftconnect.com/en-US/downloads | May require browser User-Agent header | ⚠️ Partial |
 | **Amazon Games** | https://amazon-games-launcher.s3.amazonaws.com/AmazonGamesSetup.exe | Direct download, wget/curl compatible | ✅ Yes |
 | **Legacy Games** | https://legacy.games/download | Requires browser interaction | ❌ Manual only |
+| **PlayStation Plus** | https://download-psplus.playstation.com/downloads/psplus/pc/latest | Requires a subscription | ✅ Yes |
 
 ## How to Use
 

installers/README.md

@@ -28,4 +28,4 @@ wget https://cdn.gog.com/Open/GOG%20Galaxy/GOG_Galaxy_2.0.exe
 
 ## Available Installers
 
-See `../INSTALLER_LINKS.md` for download URLs.
+See `../docs/INSTALLER_LINKS.md` for download URLs.

lib/config.sh

@@ -25,6 +25,7 @@ declare -A APP_INSTALL_ARGS=(
     [ea-desktop]="/quiet /norestart"           # WiX Bundle flags for EAappInstaller.exe
     [legacy-games]="/S"
     [amazon-games]="/S"
+    [ps-plus]="/S"
 )
 
 # Per-app launch arguments appended after the exe (e.g. force UI open)
@@ -59,4 +60,6 @@ declare -A APP_REGISTRY=(
     [amazon-games]="Amazon Games|users/steamuser/AppData/Local/Amazon Games/App/Amazon Games.exe|https://download.amazongames.com/AmazonGamesSetup.exe|users/steamuser/AppData/Local/Amazon Games|users/steamuser/AppData/Roaming/Amazon Games|ProgramData/Amazon Games"
 
     [legacy-games]="Legacy Games|users/steamuser/AppData/Local/Programs/legacy-games-launcher/Legacy Games Launcher.exe|https://cdn.legacygames.com/LegacyGamesLauncher/legacy-games-launcher-setup-1.16.7-x64-full.exe|users/steamuser/AppData/Local/Programs/legacy-games-launcher|users/steamuser/AppData/Local/legacy-games-launcher-updater|users/steamuser/AppData/Roaming/Legacy Games Launcher"
+
+    [ps-plus]="PlayStation Plus|Program Files (x86)/PlayStationPlus/PlayStationPlus.exe|https://download-psplus.playstation.com/downloads/psplus/pc/latest|Program Files (x86)/PlayStationPlus|users/steamuser/AppData/Roaming/playstation-plus|users/steamuser/AppData/Roaming/playstation-now"
 )

lib/registry.sh

@@ -125,6 +125,9 @@ find_local_installer() {
         legacy-games)
             result=$(find "$installers_dir" -maxdepth 1 -iname "*legacy*.exe" 2>/dev/null | head -1)
             ;;
+        ps-plus)
+            result=$(find "$installers_dir" -maxdepth 1 \( -iname "*playstation*.exe" -o -iname "*psplus*.exe" \) 2>/dev/null | head -1)
+            ;;
         *)
             return 1
             ;;