Add a script for backing up RetroArch

scripts/Windows/Software/RetroArch/Manage.ps1

@@ -0,0 +1,7 @@
+. "$PSScriptRoot/../../Scripts/Context.ps1";
+$path = "C:/tools/RetroArch-Win64";
+$softwareName = "RetroArch";
+
+function Invoke-BackupRetroArch([Context] $context) {
+    $context.Backup($path, $context.SoftwareArchive($softwareName), @("-i@`"$PSScriptRoot/include.txt`""));
+}

scripts/Windows/Software/RetroArch/include.txt

@@ -0,0 +1,8 @@
+config
+cores
+downloads
+playlists
+recordings
+screenshots
+content_history.lpl
+content_*_history.lpl