Add github issue template (#189)

* Add github issue template

Author: owainlewis

.github/ISSUE_TEMPLATE.md

@@ -0,0 +1,35 @@
+<!-- Thanks for filing an issue! Before hitting the button, please answer these questions.-->
+
+## Is this a BUG REPORT or FEATURE REQUEST?
+
+Choose one: BUG REPORT or FEATURE REQUEST
+
+<!--
+If this is a BUG REPORT, please:
+  - Fill in as much of the template below as you can.  If you leave out information, we can't help you as well.
+
+If this is a FEATURE REQUEST, please:
+  - Describe *in detail* the feature/behaviour/change you'd like to see.
+
+If we can't reproduce a bug or think a feature already exists, we
+might close your issue.  If we're wrong, PLEASE feel free to reopen it and
+explain why.
+-->
+
+## Versions
+
+**CCM Version**:
+
+**Environment**:
+- **Kubernetes version** (use `kubectl version`):
+- **OS** (e.g. from /etc/os-release):
+- **Kernel** (e.g. `uname -a`):
+- **Others**:
+
+## What happened?
+
+## What you expected to happen?
+
+## How to reproduce it (as minimally and precisely as possible)?
+
+## Anything else we need to know?