Add issue template

.github/ISSUE_TEMPLATE.md

@@ -0,0 +1,27 @@
+## Todos
+
+Please try the following before submitting the issue:
+
+- [ ] Upgrade Concourse if you are observing a failure in a test
+- [ ] Use latest BOSH stemcell if the problem occurred in a BOSH VM
+- [ ] Use Go 1.6 if the issue has to do with running unit tests locally
+
+## Description
+
+Describe the issue.
+
+## Logging and/or test output
+
+Provide any output you think may help understanding further the issue. Guardian
+stores its log files in `/var/vcap/sys/log/garden` when run through its BOSH
+release.
+
+## Steps to reproduce
+
+Outline the steps to test or reproduce the PR here. Please also provide the
+following information if applicable:
+
+* Guardian release version
+* Linux kernel version
+* Concourse version
+* Go version