Add issue template.

.github/ISSUE_TEMPLATE.md

@@ -0,0 +1,35 @@
+<!--- Hi, and thanks for contributing! -->
+
+<!--- Before opening a new issue, please search our existing issues to see if anyone else has had the-->
+<!--- same issue as you. Make sure to provide a general summary of the issue in the Title above! -->
+
+Environment
+-----------
+
+* Your version (in package.json) or git commit hash
+* Your operating system and version:
+
+<!--- Include any other relevant details about your environment and installation, including: configuration details, the url(s) being accessed, etc.. -->
+
+Steps to reproduce (for bugs only)
+-----------------------------
+<!--- If describing a bug, tell us what happens when the steps to reproduce are performed -->
+<!--- If possible, provide a curl command line and resulting output -->
+
+1.
+2.
+3.
+
+Current Behavior
+----------------
+
+<!--- If describing a bug, tell us what happens when the steps to reproduce are performed. -->
+<!--- If you're suggesting a change, describe the current behavior and why it needs improvement -->
+
+Expected Behavior
+-----------------
+
+<!--- If you're describing a bug, tell us what _should_ happen -->
+<!--- If you're suggesting a change/improvement, tell us how it _should_ work -->
+
+<!--- Thanks again for contributing! -->