Created ISSUE_TEMPLATE with basic information

Added an issued template to gather as much useful information that we may need to resolve an issue while the user has access to the relevant details.

.github/ISSUE_TEMPLATE.md

@@ -0,0 +1,13 @@
+## Expected behaviour
+
+## Actual behaviour
+
+## Steps to reproduce the behaviour
+
+## Minio version
+- (paste output of `minio version`)
+
+## System information
+
+
+