dracut, lsinitrd: add page (#10635)

* dracut: add page

* lsinitrd: add page

* dracut, lsinitrd: "dracut modules" => "modules"

Co-authored-by: K.B.Dharun Krishna <kbdharunkrishna@gmail.com>

---------

Co-authored-by: K.B.Dharun Krishna <kbdharunkrishna@gmail.com>

pages/linux/lsinitrd.md

@@ -0,0 +1,25 @@
+# lsinitrd
+
+> Show the contents of an initramfs image.
+> See also: `dracut`.
+> More information: <https://github.com/dracutdevs/dracut/blob/master/man/lsinitrd.1.asc>.
+
+- Show the contents of the initramfs image for the current kernel:
+
+`lsinitrd`
+
+- Show the contents of the initramfs image for the specified kernel:
+
+`lsinitrd --kver {{kernel_version}}`
+
+- Show the contents of the specified initramfs image:
+
+`lsinitrd {{path/to/initramfs.img}}`
+
+- List modules included in the initramfs image:
+
+`lsinitrd --mod`
+
+- Unpack the initramfs to the current directory:
+
+`lsinitrd --unpack`