Note: as you can tell by the lack of activity this project is no longer actively supported. You are welcome to fork or use any code in here as is for your needs.
There are two ways to install the plug-in. Once the plug-in is installed you can create a new 'SnapSVGAnimator' document and publish like normal.
Adobe Add-Ons Portal
Install the plug-in from the Adobe add-ons site.
Manage Extensions Utility
External contributions can be made in the form of a Pull Request to the
More instructions on installing plug-ins can be found here.
Building Custom Platform Plug-Ins
To read more about building or writing your own Custom Platform Plugins for Animate go here.