kernel-install: add page (#10923)

* kernel-install: add page

* kernel-install: fix typo

pages/linux/kernel-install.md

@@ -0,0 +1,16 @@
+# kernel-install
+
+> Add and remove kernel and initrd images to and from `/boot`.
+> More information: <https://manned.org/kernel-install.8>.
+
+- Add kernel and initramfs images to bootloader partition:
+
+`sudo kernel-install add {{kernel-version}} {{kernel-image}} {{path/to/initrd-file ...}}`
+
+- Remove kernel from the bootloader partition:
+
+`sudo kernel-install remove {{kernel-version}}`
+
+- Show various paths and parameters that have been configured or auto-detected:
+
+`sudo kernel-install inspect {{kernel-image}}`