docs(issue_template): Add instructions that issues are reserved for feature requests and bug reports

Author: dalelotts

.github/issue_template.md

@@ -1,3 +1,10 @@
+### Supprt Question?
+For support questions, please use one of these channels: 
+Gitter: https://gitter.im/dalelotts/angular-bootstrap-datetimepicker
+Stack Overflow: http://stackoverflow.com/search?q=angular-bootstrap-datetimepicker
+
+**This repository's issues are reserved for feature requests and bug reports.**
+
 ### Bug Reports
 You MUST have a JSBin recreation, or else your issue will be CLOSED without explanation.
 
@@ -16,4 +23,4 @@ Instructions: https://github.com/dalelotts/angular-bootstrap-datetimepicker/wiki
 Search the issue tracker for an existing ticket before creating a new one.
 Instructions: https://github.com/dalelotts/angular-bootstrap-datetimepicker/wiki/Requesting-Features
 
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+(Please erase the above text and begin typing. Thanks!)