Add Demo Decision Tree Webform

[markconroy]

A lot of councils want to create Decision Tree forms where different results/pages/etc are displayed after submitting the form depending on what choices are chosen when filling out the form.

I am a

• local
• tourist
• voter

And I want to

• find information
• something else
• something else as well

[Adnan-cds]

Copying @DavidBAsch