add question format (#599)

Author: ebrillhart

.github/ISSUE_TEMPLATE/question.md

@@ -0,0 +1,18 @@
+---
+name: Question
+about: Ask a question about using Spectacle.
+---
+
+<!--
+
+Have you read Formidable's Code of Conduct? By filing an Issue, you are expected to comply with it, including treating everyone with respect: https://github.com/FormidableLabs/spectacle/blob/master/CONTRIBUTING.md#contributor-covenant-code-of-conduct
+
+-->
+
+### Question
+
+What question do you have about using Spectacle?
+
+### Background Info/Attempts
+
+Any background information that might help us answer your questions, or a code snippet or link to a code example if you have an implementation question.

README.md

@@ -1,11 +1,12 @@
 # Spectacle
 
-[![Join the chat at https://gitter.im/FormidableLabs/spectacle](https://badges.gitter.im/FormidableLabs/spectacle.svg)](https://gitter.im/FormidableLabs/spectacle?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
 [![Travis Status][trav_img]][trav_site]
 ReactJS based Presentation Library
 
 [Spectacle Boilerplate](https://github.com/FormidableLabs/spectacle-boilerplate/)
 
+Have a question about Spectacle? Submit an issue on this repository using the "Question" template.
+
 ## Contents
 
 <!-- MarkdownTOC depth=4 autolink=true bracket=round autoanchor=true -->