mkfs.erofs: add page (#13304)

* mkfs.erofs: add page

Signed-off-by: Sebastian Muxel <sebastian@muxel.dev>

* Update pages/linux/mkfs.erofs.md

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

* Update pages/linux/mkfs.erofs.md

---------

Signed-off-by: Sebastian Muxel <sebastian@muxel.dev>
Co-authored-by: spageektti <git@spageektti.cc>
Co-authored-by: K.B.Dharun Krishna <kbdharunkrishna@gmail.com>

pages/linux/mkfs.erofs.md

@@ -0,0 +1,20 @@
+# mkfs.erofs
+
+> Create an EROFS filesystem in an image.
+> More information: <https://erofs.docs.kernel.org/en/latest/>.
+
+- Create an EROFS filesystem based on the root directory:
+
+`mkfs.erofs image.erofs root/`
+
+- Create an EROFS image with a specific UUID:
+
+`mkfs.erofs -U {{UUID}} image.erofs root/`
+
+- Create a compressed EROFS image:
+
+`mkfs.erofs -zlz4hc image.erofs root/`
+
+- Create an EROFS image where all files are owned by root:
+
+`mkfs.erofs --all-root image.erofs root/`