Consider extracting example project from main project repo

[banagale]

django-address contains example_site which is a demo of the app.

This site uses a symlink to the parent directory as a quick way to make it available.

This pattern is a bit confusing, and isn't representative of what a regular install of Django Address looks like.

This issue is to suggest extracting example_site into its own repository that is focused on demonstrating common use cases of this app.

An example of this suggested pattern can be found in django-chunked-upload and django-chunked-upload-demo