paxs: add page (#15632)

* paxs: add page

* Update paxs.md

pages/linux/paxs.md

@@ -0,0 +1,29 @@
+# paxs
+
+> Manage packages across Yay, Flatpak, and Snap.
+> Supports searching, installing, removing, and upgrading packages.
+> More information: <https://github.com/zamhedonia/paxs>.
+
+- Search for a package:
+
+`paxs {{search_term}}`
+
+- Upgrade all packages:
+
+`paxs -u`
+
+- Install a package (prompting for the source):
+
+`paxs -i {{package}}`
+
+- Remove a package (prompting for the source):
+
+`paxs -r {{package}}`
+
+- Check for updates across all package managers:
+
+`paxs -c`
+
+- Display help:
+
+`paxs -h`