Add ChromeOS tutorial.

CROS_INSTALL.md

@@ -0,0 +1,17 @@
+# Installation (ChromeOS)
+## Prerequisites
+- Enabled developer mode
+## Installing dependencies
+We'll install needed dependencies with chromebrew, head over to [chromebrew installation guide](https://github.com/skycocker/chromebrew#installation) and do :
+```sh
+crew install sommelier wget 
+crew install llvm # OPTIONAL: needed for AMD GPUs
+source ~/.bashrc
+```
+## Installing Archbox
+Just follow [INSTALL.md](INSTALL.md).
+## Miscs
+### Init Archbox Automatically
+Add `archbox -m` to `~/.bashrc`.
+### Uniform look with ChromeOS
+Install [`cros-adapta-gtk-theme`](https://aur.archlinux.org/packages/cros-adapta-gtk-theme/) from AUR and set it with `lxappearance` and `dconf-editor`.

INSTALL.md

@@ -0,0 +1,13 @@
+# Installation
+## Dependencies
+- Bash
+- Sed
+- Curl
+- Wget (Optional: use ```wget``` when it's installed)
+- Aria2 (Optional: use ```aria2c``` when it's installed)
+- Tar
+- Desktop-file-utils
+- Xorg-xhost (Optional: allowing users in Archbox to access X server)
+- Zenity (Optional: for .desktop entry manager GUI)
+## Installing Archbox
+It's pretty easy, just run ```install.sh``` as root.

README.md

@@ -3,18 +3,10 @@ Installs Arch Linux inside a chroot environment.
 ## Why?
 Ever since I'm running some niche distros like Void, Solus, I had a problem finding softwares I need in their not-so-large repositories, also I don't like how flatpak and snap works. so i decided to create an Arch Linux chroot environment everytime I distrohop. Why Arch Linux? They have a really, really good repositories, oh and don't mention how big AUR is.
 ## Installation
-### Dependencies
-- Bash
-- Sed
-- Curl
-- Wget (Optional: use ```wget``` when it's installed)
-- Aria2 (Optional: use ```aria2c``` when it's installed)
-- Tar
-- Desktop-file-utils
-- Xorg-xhost (Optional: allowing users in Archbox to access X server)
-- Zenity (Optional: for .desktop entry manager GUI)
-### Installing Archbox
-It's pretty easy, just run ```install.sh``` as root.
+See [INSTALL.md](INSTALL.md)
+
+For ChromeOS users, [CROS_INSTALL.md](CROS_INSTALL.md)
+## Using Archbox
 ### Installing chroot environment
 Before creating chroot environment, edit your chroot username in ```/etc/archbox.conf```, then do :
 ```