tadd quickstart to readme - arm-sdk - os build toolkit for various embedded devices
 (HTM) git clone https://git.parazyd.org/arm-sdk
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 (DIR) commit 9013bced37cf835ab7c1c83331274d8dd0fe62fe
 (DIR) parent 6a31fd8666acdaf019ceb92fc4fb20d4af9acfa3
 (HTM) Author: parazyd <parazyd@dyne.org>
       Date:   Fri, 30 Sep 2016 11:53:14 +0200
       
       add quickstart to readme
       
       Diffstat:
         M README.md                           |      51 +++++++++++++++++++++++++++++++
       
       1 file changed, 51 insertions(+), 0 deletions(-)
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 (DIR) diff --git a/README.md b/README.md
       t@@ -35,6 +35,57 @@ By executing `init.sh` which is found in the base directory of arm-sdk, it
        will initialize all git submodules and gcc toolchains that are needed for
        arm-sdk to properly function.
        
       +## Quick start
       +
       +Edit the `config` file to match your crosscompile toolchain. `init.sh` will
       +provide you with precompiled ones. Then run zsh. In case you have conflicting
       +extensions on your zsh configuration, safest way would be to run a vanilla one,
       +using:
       +
       +```
       +; zsh -f
       +```
       +
       +then step inside the sdk, "source" it:
       +
       +```
       +; cd arm-sdk && source sdk
       +```
       +
       +Now is the time you choose the device and OS you want to build the image for.
       +
       +### Currently supported distros
       +
       +* `devuan`
       +
       +### Currently supported boards
       +
       +* `raspi` - Raspberry Pi 2 and 3
       +* `bananapi` - Banana Pi
       +* `bananapro` - Banana Pi Pro
       +* `cubieboard2` - Cubieboard 2
       +* `cubietruck` - Cubietruck
       +* `chromeacer` - Acer ARM Chromebook
       +* `chromeveyron` - Veyron ARM Chromebook (RK3288)
       +* `odroidxu` - ODROID-XU
       +* `bbb` - BeagleBone Black
       +* `ouya` - OUYA gaming console
       +
       +```
       +; init devuan cubietruck
       +```
       +
       +Once initialized, you can run the helper command:
       +
       +```
       +; build_image_dist
       +```
       +
       +and the image will automatically be build for you. Once finished, you will be
       +able to find it in the `dist/` directory in arm-sdk's root.
       +
       +For more info, see the `doc/` directory.
       +
        ## Acknowledgments
        
        Devuan's SDK was originally conceived during a period of residency at the