Improve styling of code blocks

Get-Started.md

@@ -159,7 +159,7 @@ The following steps have to be performed as `root`.
 ### Adding the overlay using `layman`
 
 First create a local overlay list:
-```
+```sh
 echo '<?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE repositories SYSTEM "/dtd/repositories.dtd">
 <repositories xmlns="" version="1.0">
@@ -178,7 +178,7 @@ echo '<?xml version="1.0" encoding="UTF-8"?>
 ```
 
 Then make it known to layman and add it to your local overlays:
-```
+```sh
 layman -L
 layman -a toaster
 ```
@@ -187,7 +187,7 @@ layman -a toaster
 
 Note that you have to set the `~amd64` keyword for the driver package and for `media-video/apple_facetimehd_firmware`. How this is done in detail depends on how you manage your keywords.
 
-```
+```sh
 emerge -av media-video/bcwc_pcie
 ```
 
@@ -215,12 +215,12 @@ videobuf2_core         57344  1 facetimehd
 videodev              176128  3 v4l2_common,facetimehd,videobuf2_core
 ```
 - At the moment the kernel module is not loaded automatically. If you would like the kernel module to be loaded at system startup add the following line to `/etc/init.d/after.local` (Note that this is not yet recommended since the driver is not 100% stable) 
-```
+```sh
 modprobe facetimehd
 ```
 - In order to get it working after suspend see [below](#make-driver-load-correctly-after-suspend)
 - To test the camera install mplayer from Packman repo. If not yet done add Packman repo first
-```
+```sh
 zypper addrepo -f http://packman.inode.at/suse/openSUSE_Leap_42.1/ packman
 zypper install mplayer
 ```
@@ -237,7 +237,7 @@ See [Additional Notes](#additional-notes) below in case you come across any issu
 
 1. Make sure the following lines (or its equivalent) are in `/etc/nixos/configuration.nix`
 
-```
+```ini
   hardware.facetimehd.enable = true;
   nixpkgs.config.allowUnfree = true;
 ```
@@ -260,7 +260,10 @@ Suspend/resume should now work without any additional fixes. Note that suspend/r
 
 ### Make driver load correctly on startup
 If you want the driver to be enabled on startup, extra steps may be required. On Ubuntu, the following should work:  
-`echo facetimehd >> /etc/modules`
+
+```sh
+echo facetimehd >> /etc/modules
+```
 
 ### For Ubuntu 15.04 and higher (Should work on some other distros too):
 
@@ -270,7 +273,7 @@ or if /lib/systemd/system-sleep does not exist:
 `sudo gedit /usr/lib/systemd/system-sleep/99facetimehd`
 
 Paste this in the empty file:
-```
+```sh
 #!/bin/sh
 case $1/$2 in
   pre/*)
@@ -297,7 +300,7 @@ or
 Paste this in terminal: `sudo gedit /etc/pm/sleep.d/99_facetimehd`
 
 And paste this in and save file:
-```
+```sh
 #!/bin/sh
 case $1 in
     resume|thaw)