update readme

README.md

@@ -1,2 +1,29 @@
 # initramfs
-[WIP] Tiny initramfs
+Just another one implemetation of initramfs
+
+### Features
+- POSIX compliant
+- Easy configuration without complexity
+- LUKS detached header and keyfile
+- LVM
+- busybox mdev,mdevd and eudev are supported
+
+### Installation
+Simply run as root generate script. Then move generated initramfs to /boot directory and update your bootloader
+
+### Dependencies
+#### Basic
+`busybox kmod util-linux`
+#### Optional
+`cryptsetup lvm2 device-mapper`
+
+### License
+Licensed under GPLv3
+
+Exceptions:
+
+The "mdev.conf" configuration file is modified version from "mdev-like-a-boss" project, Copyright (c) 2012-2020, Piotr Karbowski <piotr.karbowski@gmail.com>
+Please consult the license notice in the file for terms and conditions.
+
+The "storage-device" script from "mdev-like-a-boss" project, Copyright (c) 2012-2020, Piotr Karbowski <piotr.karbowski@gmail.com>
+Please consult the license notice in the file for terms and conditions.