ludusavi: add page (#16627)

Co-authored-by: Sebastiaan Speck <12570668+sebastiaanspeck@users.noreply.github.com>
Co-authored-by: Machiavelli <145562237+MachiavelliII@users.noreply.github.com>

pages/common/ludusavi.md

@@ -0,0 +1,24 @@
+# ludusavi
+
+> Backup video game save data.
+> More information: <https://github.com/mtkennerly/ludusavi/blob/master/docs/cli.md>.
+
+- Backup games:
+
+`ludusavi backup --path {{path/to/backup}}`
+
+- Restore games:
+
+`ludusavi restore --path {{path/to/backup}} {{"game1" "game2" ...}}`
+
+- List backups:
+
+`ludusavi backups --path {{path/to/backup}}`
+
+- Wrap launcher game:
+
+`ludusavi wrap --gui --infer {{heroic|lutris|steam}} -- {{game_launch_commands}}`
+
+- Wrap standalone game:
+
+`ludusavi wrap --gui --name {{name}} -- {{game_launch_commands}}`