lsinitcpio: add page (#23070)

Co-authored-by: Ivan Baluta <ivanbaluta.dev@gmail.com>

pages/linux/lsinitcpio.md

@@ -0,0 +1,17 @@
+# lsinitcpio
+
+> View the contents of an initramfs image.
+> See also: `mkinitcpio`.
+> More information: <https://manned.org/lsinitcpio>.
+
+- View a list of all files and directories of a specific image:
+
+`lsinitcpio {{path/to/initramfs.img}}`
+
+- Extract an image to the current directory:
+
+`lsinitcpio {{[-x|--extract]}} {{path/to/initramfs.img}}`
+
+- View human-readable information on an image:
+
+`lsinitcpio {{[-a|--analyze]}} {{path/to/initramfs.img}}`