About create quickstart package , there are many way to create it. But i think, this is a easiest solution ever to create quickstart package.
There are easy Step to create Quickstart package :-
- On your joomla site, install akeeba backup.
- After install, go to configuration option on akeeba backup.
- Select Zip file for compression website.
- Take a backup of website.
- After take backup, you got a zip file of backup .
- download it and extract where you want and it become installer file for joomla site.
SO as per my way, this is a one of the best and easy solution.