Added the functionality to download remediation scripts

[redd1ng]

Hello,

I added the command get_remediations to pytune which downloads and prints all remediation scripts which are deployed to the defined device.

$ python3 pytune.py get_remediations -d Fake-Device -m Fake-Device_mdm.pfx 
[*] downloading remediation scripts...
[!] remediation scripts found!
[*] #1 (Remediation/Policy ID:d9bfe09e-9a6b-4e2b-8182-402063f78737):

Detection Script Parameters:
Detection Script:
echo "----START DETECTION----" | Add-Content -Path "C:\detection.txt"
date | Add-Content -Path "C:\detection.txt"
whoami | Add-Content -Path "C:\detection.txt"
echo "----STOP DETECTION----" | Add-Content -Path "C:\detection.txt"

Remediation Script Parameters:
Remediation Script:
echo "----START REMEDIATION----" | Add-Content -Path "C:\remediation.txt"
date | Add-Content -Path "C:\remediation.txt"
whoami | Add-Content -Path "C:\remediation.txt"
echo "----STOP REMEDIATION----" | Add-Content -Path "C:\remediation.txt"