Added a GitHub issue template (#599)

diff --git a/.github/ISSUE_TEMPLATE.rst b/.github/ISSUE_TEMPLATE.rst
new file mode 100644
index 0000000..8854961
--- /dev/null
+++ b/.github/ISSUE_TEMPLATE.rst
@@ -0,0 +1,2 @@
+The issue tracker is a tool to address bugs.
+Please use the #pocoo IRC channel on freenode or Stack Overflow for questions.