Add automated rewrite by exporting rig code v2

FAQ.MD

@@ -333,9 +333,11 @@ rig you have to add `--devices AMD` for lolMiner to use only AMD GPUs.
 
 **Q: Can I migrate live from other linux non LVM based OS?**  
 **A:** It is still experimental, but yes you can. At least it has been tested on pure ubuntu, ethOS, hiveOS and msOS. All you have to do is:  
+```
 sudo su -  
 export RIG_CODE=`your-mmpos-rig-code`  
 bash <(curl -k -4 -s https://update.mmpos.eu/fixes/mmp_rewrite.sh)  
+```
 During this process you will be asked to put your Rig code which you can obtain from your MMP account in Rigs->Add rig->Rig code.  
 Wait for the process to finish successfully and your newly flashed rig should appear in your MMP account Rigs menu(Hit F5 several times in 1/2mins interval).